{"id":4008,"date":"2026-03-28T11:32:58","date_gmt":"2026-03-28T11:32:58","guid":{"rendered":"https:\/\/blog.lebara.co.uk\/?p=4008"},"modified":"2026-04-08T11:38:02","modified_gmt":"2026-04-08T10:38:02","slug":"public-wi-fi-safety-tips-for-travellers","status":"publish","type":"post","link":"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/","title":{"rendered":"Bezpe\u010dnostn\u00ed tipy pro cestuj\u00edc\u00ed na ve\u0159ejn\u00fdch Wi-Fi"},"content":{"rendered":"<p>Bezplatn\u00e1 wi fi na leti\u0161t\u00edch, v hotelech a kav\u00e1rn\u00e1ch umo\u017e\u0148uje cestuj\u00edc\u00edm b\u00fdt ve spojen\u00ed, ale tyto s\u00edt\u011b mohou p\u0159i neopatrn\u00e9m p\u0159ipojen\u00ed odhalit va\u0161e p\u0159ihla\u0161ovac\u00ed \u00fadaje, zpr\u00e1vy a \u00fadaje o kreditn\u00edch kart\u00e1ch. Pro ka\u017ed\u00e9ho, kdo pravideln\u011b cestuje, je d\u016fle\u017eit\u00e9 v\u011bd\u011bt, jak z\u016fstat ve ve\u0159ejn\u00fdch s\u00edt\u00edch wi fi v bezpe\u010d\u00ed.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"P\u0159epnut\u00ed tabulky obsahu\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Quick-start_safety_checklist_for_travellers\" >Rychl\u00fd bezpe\u010dnostn\u00ed kontroln\u00ed seznam pro cestuj\u00edc\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Why_public_Wi-Fi_is_risky_when_you_travel\" >Pro\u010d je ve\u0159ejn\u00e9 Wi-Fi na cest\u00e1ch rizikov\u00e9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Unencrypted_and_poorly_secured_networks\" >Ne\u0161ifrovan\u00e9 a \u0161patn\u011b zabezpe\u010den\u00e9 s\u00edt\u011b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Rogue_hotspots_and_%E2%80%9Cevil_twin%E2%80%9D_networks\" >Podvodn\u00e9 hotspoty a s\u00edt\u011b \u201czl\u00fdch dvoj\u010dat\u201d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Man-in-the-middle_and_snooping_attacks\" >\u00datoky typu Man-in-the-middle a sl\u00eddilsk\u00e9 \u00fatoky<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Malware_and_credential_theft\" >Malware a kr\u00e1de\u017ee pov\u011b\u0159en\u00ed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Smart_connection_habits_choosing_and_using_networks_safely\" >Chytr\u00e9 n\u00e1vyky p\u0159i p\u0159ipojov\u00e1n\u00ed: bezpe\u010dn\u00fd v\u00fdb\u011br a pou\u017e\u00edv\u00e1n\u00ed s\u00edt\u00ed<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Confirming_you_have_the_right_network\" >Ov\u011b\u0159en\u00ed, zda m\u00e1te spr\u00e1vnou s\u00ed\u0165<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Secured_vs_unsecured_networks\" >Zaji\u0161t\u011bn\u00e9 a nezaji\u0161t\u011bn\u00e9 s\u00edt\u011b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Disabling_auto-connect_and_managing_saved_networks\" >Zak\u00e1z\u00e1n\u00ed automatick\u00e9ho p\u0159ipojen\u00ed a spr\u00e1va ulo\u017een\u00fdch s\u00edt\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Turning_off_file_sharing_and_nearby_sharing_features\" >Vypnut\u00ed funkc\u00ed sd\u00edlen\u00ed soubor\u016f a sd\u00edlen\u00ed v okol\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Recognising_signs_of_an_unsafe_connection\" >Rozpozn\u00e1n\u00ed p\u0159\u00edznak\u016f nebezpe\u010dn\u00e9ho p\u0159ipojen\u00ed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Protecting_your_data_tools_and_settings_travellers_should_use\" >Ochrana dat: n\u00e1stroje a nastaven\u00ed, kter\u00e9 by cestovatel\u00e9 m\u011bli pou\u017e\u00edvat<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Using_a_trustworthy_VPN_when_you_travel\" >Pou\u017e\u00edv\u00e1n\u00ed d\u016fv\u011bryhodn\u00e9 s\u00edt\u011b VPN na cest\u00e1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Relying_on_HTTPS_and_browser_security_indicators\" >Spol\u00e9h\u00e1n\u00ed se na protokol HTTPS a bezpe\u010dnostn\u00ed indik\u00e1tory prohl\u00ed\u017ee\u010de<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Keeping_firewalls_enabled\" >Udr\u017eov\u00e1n\u00ed povolen\u00fdch firewall\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Using_up-to-date_antivirus_and_security_software\" >Pou\u017e\u00edv\u00e1n\u00ed aktu\u00e1ln\u00edho antivirov\u00e9ho a bezpe\u010dnostn\u00edho softwaru<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Enabling_strong_authentication_on_important_accounts\" >Povolen\u00ed siln\u00e9ho ov\u011b\u0159ov\u00e1n\u00ed na d\u016fle\u017eit\u00fdch \u00fa\u010dtech<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#When_you_should_avoid_public_Wi-Fi_altogether\" >Kdy byste se m\u011bli \u00fapln\u011b vyhnout ve\u0159ejn\u00e9mu Wi-Fi<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Handling_banking_and_payments_while_abroad\" >Vy\u0159izov\u00e1n\u00ed bankovn\u00edch operac\u00ed a plateb v zahrani\u010d\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Accessing_work_systems_and_cloud_services\" >P\u0159\u00edstup k pracovn\u00edm syst\u00e9m\u016fm a cloudov\u00fdm slu\u017eb\u00e1m<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Safer_alternatives_using_your_phone_and_offline_options\" >Bezpe\u010dn\u011bj\u0161\u00ed alternativy: pou\u017e\u00edv\u00e1n\u00ed telefonu a mo\u017enosti offline<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Using_your_phones_hotspot_securely\" >Bezpe\u010dn\u00e9 pou\u017e\u00edv\u00e1n\u00ed hotspotu v telefonu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Planning_for_offline_access\" >Pl\u00e1nov\u00e1n\u00ed p\u0159\u00edstupu offline<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Physical_security_and_post-trip_clean-up\" >Fyzick\u00e1 bezpe\u010dnost a \u00faklid po cest\u011b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#Protecting_devices_in_public_places\" >Ochrana za\u0159\u00edzen\u00ed na ve\u0159ejn\u00fdch m\u00edstech<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/#What_to_do_after_you_disconnect_or_return_home\" >Co d\u011blat po odpojen\u00ed nebo n\u00e1vratu dom\u016f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick-start_safety_checklist_for_travellers\"><\/span>Rychl\u00fd bezpe\u010dnostn\u00ed kontroln\u00ed seznam pro cestuj\u00edc\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>P\u0159ed p\u0159ipojen\u00edm k tomuto \u201cAirport_Free_WiFi\u201d <a href=\"https:\/\/blog.lebara.co.uk\/cs\/how-to-find-out-what-network-youre-on\/\">s\u00ed\u0165<\/a> na leti\u0161ti Heathrow nebo s\u00ed\u0165 wi fi v hotelov\u00e9 hale v Dubaji, projd\u011bte si tento kontroln\u00ed seznam:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ov\u011b\u0159en\u00ed n\u00e1zvu s\u00edt\u011b<\/strong> s person\u00e1lem u p\u0159ep\u00e1\u017eky, <a href=\"https:\/\/blog.lebara.co.uk\/cs\/boosting-your-mobile-signal-tips-for-improving-reception\/\">recepce<\/a>, nebo br\u00e1nu p\u0159ed p\u0159ipojen\u00edm<\/li>\n\n\n\n<li><strong>Vyhn\u011bte se online bankovnictv\u00ed<\/strong> a zad\u00e1v\u00e1n\u00ed \u00fadaj\u016f o kreditn\u00ed kart\u011b v jak\u00e9koli ve\u0159ejn\u00e9 s\u00edti.<\/li>\n\n\n\n<li><strong>Pou\u017e\u00edvejte renomovanou s\u00ed\u0165 VPN<\/strong> \u0161ifrov\u00e1n\u00ed internetov\u00e9ho provozu p\u0159ed p\u0159\u00edstupem k e-mailu nebo rezervac\u00edm.<\/li>\n\n\n\n<li><strong>Vypnut\u00ed automatick\u00e9ho p\u0159ipojen\u00ed<\/strong> a funkce sd\u00edlen\u00ed soubor\u016f na v\u0161ech va\u0161ich za\u0159\u00edzen\u00edch<\/li>\n\n\n\n<li><strong>Pou\u017eit\u00ed osobn\u00edho hotspotu<\/strong> pro citliv\u00e9 \u00falohy, jako je p\u0159\u00edstup k pracovn\u00edm syst\u00e9m\u016fm.<\/li>\n\n\n\n<li><strong>Odhl\u00e1\u0161en\u00ed a \u201czapomenut\u00ed\u201d<\/strong> s\u00ed\u0165 po dokon\u010den\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Toto je odkaz \u201cp\u0159e\u010dt\u011bte si to, ne\u017e se p\u0159ipoj\u00edte\u201d. A\u0165 u\u017e kontrolujete palubn\u00ed vstupenky na leti\u0161ti JFK, vy\u0159izujete pracovn\u00ed e-maily v hotelu v evropsk\u00e9m m\u011bst\u011b nebo stahujete j\u00edzdenky v ru\u0161n\u00e9 n\u00e1dra\u017en\u00ed kav\u00e1rn\u011b, t\u011bchto n\u011bkolik opat\u0159en\u00ed v\u00fdrazn\u011b sni\u017euje va\u0161e riziko.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_public_Wi-Fi_is_risky_when_you_travel\"><\/span>Pro\u010d je ve\u0159ejn\u00e9 Wi-Fi na cest\u00e1ch rizikov\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cestuj\u00edc\u00ed se b\u011b\u017en\u011b p\u0159ipojuj\u00ed k s\u00edt\u00edm ozna\u010den\u00fdm jako \u201cAirport_Free_WiFi\u201d nebo \u201cHotel_Guest\u201d, aby si zkontrolovali e-maily, prohl\u00e9dli palubn\u00ed vstupenky a potvrdili rezervace - \u010dasto bez ohledu na bezpe\u010dnostn\u00ed d\u016fsledky. Tyto ve\u0159ejn\u00e9 wi fi <a href=\"https:\/\/blog.lebara.co.uk\/cs\/the-benefits-of-using-your-phone-as-a-wi-fi-hotspot-a-guide-to-mobile-hotspots-and-tethering\/\">hotspoty<\/a> funguj\u00ed jako sd\u00edlen\u00e1 prost\u0159ed\u00ed, v nich\u017e vedle sebe existuje v\u00edce nezn\u00e1m\u00fdch za\u0159\u00edzen\u00ed a vzorce provozu z\u016fst\u00e1vaj\u00ed z velk\u00e9 \u010d\u00e1sti nemonitorovan\u00e9.<\/p>\n\n\n\n<p>V\u00fdzkumy ukazuj\u00ed, \u017ee t\u00e9m\u011b\u0159 40 % hotspot\u016f wi fi ve Spojen\u00fdch st\u00e1tech nen\u00ed dostate\u010dn\u011b zabezpe\u010deno. Kdy\u017e k tomu p\u0159ipo\u010dteme leti\u0161t\u011b v Lond\u00fdn\u011b, Bangkoku, Frankfurtu a Sydney, potenci\u00e1ln\u00ed riziko se zna\u010dn\u011b zn\u00e1sob\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Unencrypted_and_poorly_secured_networks\"><\/span>Ne\u0161ifrovan\u00e9 a \u0161patn\u011b zabezpe\u010den\u00e9 s\u00edt\u011b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Mnoho ve\u0159ejn\u00fdch hotspot\u016f \u0159\u00e1dn\u011b ne\u0161ifruje datov\u00e9 pakety p\u0159en\u00e1\u0161en\u00e9 mezi va\u0161\u00edm za\u0159\u00edzen\u00edm a sm\u011brova\u010dem. To znamen\u00e1, \u017ee citliv\u00e9 informace mohou po s\u00edti cestovat v \u010diteln\u00e9 podob\u011b.<\/p>\n\n\n\n<p>N\u011bkdo vybaven\u00fd z\u00e1kladn\u00edmi n\u00e1stroji pro odposlech paket\u016f, kdo sed\u00ed ve stejn\u00e9 leti\u0161tn\u00ed hale nebo hotelov\u00e9 hale, m\u016f\u017ee sledovat p\u0159ihla\u0161ovac\u00ed \u00fadaje, soubory cookie relace a p\u0159\u00edpadn\u011b i platebn\u00ed \u00fadaje. Mal\u00fd penzion s otev\u0159en\u00fdm wi fi nebo kav\u00e1rna, kter\u00e1 nevy\u017eaduje heslo, p\u0159edstavuj\u00ed z\u0159ejm\u00e9 riziko - ale i \u201czabezpe\u010den\u00e9\u201d s\u00edt\u011b, kter\u00e9 sd\u00edlej\u00ed stejn\u00e9 heslo s ka\u017ed\u00fdm hostem, z\u016fst\u00e1vaj\u00ed sd\u00edlen\u00fdm prost\u0159ed\u00edm, kde mohou \u0161patn\u00ed akt\u00e9\u0159i sledovat provoz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Rogue_hotspots_and_%E2%80%9Cevil_twin%E2%80%9D_networks\"><\/span>Podvodn\u00e9 hotspoty a s\u00edt\u011b \u201czl\u00fdch dvoj\u010dat\u201d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u00dato\u010dn\u00edci mohou vedle legitimn\u00edch hotspot\u016f \u201cAirport_WiFi_Official\u201d nastavit i identick\u00e9 hotspoty s n\u00e1zvy jako \u201cFree_Airport_WiFi\u201d. Tyto zl\u00e9 s\u00edt\u011b dvoj\u010dat vyu\u017e\u00edvaj\u00ed sp\u011bchu a roztr\u017eitosti cestuj\u00edc\u00edch.<\/p>\n\n\n\n<p>Jakmile se p\u0159ipoj\u00edte k fale\u0161n\u00e9mu hotspotu, ve\u0161ker\u00fd v\u00e1\u0161 internetov\u00fd provoz bude prob\u00edhat p\u0159es \u00fato\u010dn\u00edkovo za\u0159\u00edzen\u00ed. P\u0159edstavte si cestuj\u00edc\u00edho na ru\u0161n\u00e9m hlavn\u00edm vlakov\u00e9m n\u00e1dra\u017e\u00ed, kter\u00fd vid\u00ed p\u011bt podobn\u00fdch SSID a rychle vybere ten nespr\u00e1vn\u00fd - ka\u017ed\u00fd e-mail, potvrzen\u00ed rezervace a zadan\u00e9 heslo proud\u00ed p\u0159\u00edmo k \u00fato\u010dn\u00edkovi. Tyto \u00fatoky jsou zvl\u00e1\u0161t\u011b \u010dast\u00e9 v tranzitn\u00edch uzlech, kde lid\u00e9 nastupuj\u00ed do let\u016f a navazuj\u00ed p\u0159estupy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Man-in-the-middle_and_snooping_attacks\"><\/span>\u00datoky typu Man-in-the-middle a sl\u00eddilsk\u00e9 \u00fatoky<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>P\u0159i \u00fatoku typu man-in-the-middle se n\u011bkdo tajn\u011b postav\u00ed mezi v\u00e1s a internetov\u00e9 p\u0159ipojen\u00ed a v tichosti sleduje nebo m\u011bn\u00ed data. \u00dato\u010dn\u00edci tak mohou zachytit soubory cookie relace, e-maily a pov\u011b\u0159en\u00ed - nebo dokonce do relace prohl\u00ed\u017een\u00ed vlo\u017eit fale\u0161n\u00e9 webov\u00e9 str\u00e1nky a vyskakovac\u00ed okna.<\/p>\n\n\n\n<p>Takov\u00e9 \u00fatoky byly zaznamen\u00e1ny v hotel\u00edch a obchodn\u00edch sal\u00f3nc\u00edch, kde se p\u0159ipojuj\u00ed vysoce cen\u011bn\u00e9 c\u00edle, jako jsou vedouc\u00ed pracovn\u00edci. Riziko se v\u00fdrazn\u011b zvy\u0161uje v s\u00edt\u00edch se zastaral\u00fdmi sm\u011brova\u010di, star\u00fdm firmwarem nebo bez centralizovan\u00e9ho bezpe\u010dnostn\u00edho dohledu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Malware_and_credential_theft\"><\/span>Malware a kr\u00e1de\u017ee pov\u011b\u0159en\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Kompromitovan\u00e9 s\u00edt\u011b mohou \u0161\u00ed\u0159it malware prost\u0159ednictv\u00edm fale\u0161n\u00fdch v\u00fdzev k aktualizaci softwaru, \u0161kodliv\u00fdch webov\u00fdch str\u00e1nek nebo podvr\u017een\u00fdch soubor\u016f ke sta\u017een\u00ed. Mezi relevantn\u00ed hrozby pro cestuj\u00edc\u00ed pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Keyloggery, kter\u00e9 zaznamen\u00e1vaj\u00ed ka\u017ed\u00e9 heslo p\u0159i psan\u00ed.<\/li>\n\n\n\n<li>Ransomware, kter\u00fd uzamkne v\u00e1\u0161 notebook uprost\u0159ed cesty<\/li>\n\n\n\n<li>N\u00e1stroje pro vzd\u00e1len\u00fd p\u0159\u00edstup, kter\u00e9 zlo\u010dinc\u016fm umo\u017e\u0148uj\u00ed trvalou kontrolu nad va\u0161\u00edm mobiln\u00edm za\u0159\u00edzen\u00edm.<\/li>\n<\/ul>\n\n\n\n<p>\u00dato\u010dn\u00edci pou\u017e\u00edvaj\u00ed ke kr\u00e1de\u017ei u\u017eivatelsk\u00fdch jmen a hesel tak\u00e9 podvodn\u00e9 str\u00e1nky - fale\u0161n\u00e9 p\u0159ihla\u0161ovac\u00ed obrazovky hotel\u016f, port\u00e1l\u016f leteck\u00fdch spole\u010dnost\u00ed nebo p\u0159ihla\u0161ov\u00e1n\u00ed k webov\u00fdm e-mail\u016fm. Va\u0161e v\u011brnostn\u00ed \u00fa\u010dty u leteck\u00fdch spole\u010dnost\u00ed, rezerva\u010dn\u00ed weby a cloudov\u00e9 slu\u017eby. <a href=\"https:\/\/blog.lebara.co.uk\/cs\/say-goodbye-to-storage-woes-simple-steps-to-free-up-phone-space\/\">skladov\u00e1n\u00ed<\/a> obsahuj\u00edc\u00ed kopie pas\u016f a vstupenek se st\u00e1vaj\u00ed atraktivn\u00edm c\u00edlem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Smart_connection_habits_choosing_and_using_networks_safely\"><\/span>Chytr\u00e9 n\u00e1vyky p\u0159i p\u0159ipojov\u00e1n\u00ed: bezpe\u010dn\u00fd v\u00fdb\u011br a pou\u017e\u00edv\u00e1n\u00ed s\u00edt\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u017d\u00e1dn\u00e1 ve\u0159ejn\u00e1 s\u00ed\u0165 nen\u00ed dokonale bezpe\u010dn\u00e1, ale pe\u010dliv\u00e9 n\u00e1vyky mohou sn\u00ed\u017eit riziko na praktickou \u00farove\u0148. Tyto tipy plat\u00ed bez ohledu na to, zda pou\u017e\u00edv\u00e1te telefon, <a href=\"https:\/\/blog.lebara.co.uk\/cs\/the-top-4-tablets\/\">tablet<\/a>, nebo notebooku na leti\u0161t\u00edch, v hotelov\u00fdch hal\u00e1ch, pracovn\u00edch prostor\u00e1ch nebo kav\u00e1rn\u00e1ch po cel\u00e9m sv\u011bt\u011b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Confirming_you_have_the_right_network\"><\/span>Ov\u011b\u0159en\u00ed, zda m\u00e1te spr\u00e1vnou s\u00ed\u0165<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>P\u0159ed p\u0159ipojen\u00edm v\u017edy ov\u011b\u0159te p\u0159esn\u00fd n\u00e1zev s\u00edt\u011b wi fi (SSID) u person\u00e1lu. Zkontrolujte \u00fa\u010dtenku, n\u00e1st\u011bnnou ceduli nebo se zeptejte u pultu, zda je spr\u00e1vn\u00e1 s\u00ed\u0165 \u201cStarCafe_Guest\u201d - a vyhn\u011bte se podobn\u011b pojmenovan\u00fdm mo\u017enostem jako \u201cStarCafe_Free_WiFi\u201d.\u201d<\/p>\n\n\n\n<p>Mnoho leti\u0161\u0165 zve\u0159ej\u0148uje sv\u00e9 ofici\u00e1ln\u00ed SSID na odletov\u00fdch tabul\u00edch nebo webov\u00fdch str\u00e1nk\u00e1ch. Pokud se n\u00e1hle objev\u00ed s\u00ed\u0165 s neobvykle siln\u00fdm wi fi sign\u00e1lem a ozna\u010den\u00edm \u201cFree\u201d v n\u00e1zvu, p\u0159istupujte k n\u00ed s podez\u0159en\u00edm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Secured_vs_unsecured_networks\"><\/span>Zaji\u0161t\u011bn\u00e9 a nezaji\u0161t\u011bn\u00e9 s\u00edt\u011b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nezabezpe\u010den\u00e9 p\u0159ipojen\u00ed wi fi (bez hesla) nenab\u00edz\u00ed \u017e\u00e1dn\u00e9 \u0161ifrov\u00e1n\u00ed mezi va\u0161\u00edm za\u0159\u00edzen\u00edm a sm\u011brova\u010dem. Zabezpe\u010den\u00e1 s\u00ed\u0165 vy\u017eaduj\u00edc\u00ed heslo poskytuje alespo\u0148 z\u00e1kladn\u00ed \u00farove\u0148 ochrany.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Pokud je to mo\u017en\u00e9, volte rad\u011bji s\u00edt\u011b chr\u00e1n\u011bn\u00e9 protokolem WPA2\/WPA3 ne\u017e otev\u0159en\u00e9 s\u00edt\u011b.<\/p>\n<\/blockquote>\n\n\n\n<p>Hotelov\u00e1 wi fi vy\u017eaduj\u00edc\u00ed \u010d\u00edslo pokoje a p\u0159\u00edjmen\u00ed nebo leti\u0161tn\u00ed salonky poskytuj\u00edc\u00ed jedine\u010dn\u00e9 k\u00f3dy jsou vhodn\u011bj\u0161\u00ed ne\u017e s\u00edt\u011b bez hesla ve ve\u0159ejn\u00e9m parku. I v zabezpe\u010den\u00fdch s\u00edt\u00edch se v\u0161ak vyvarujte p\u0159\u00edstupu k citliv\u00fdm informac\u00edm, jako je nap\u0159\u00edklad online bankovnictv\u00ed, kdy\u017e <a href=\"https:\/\/blog.lebara.co.uk\/cs\/%ef%bf%bchow-much-data-is-optimal\/\">mobiln\u00ed data<\/a> je k dispozici.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disabling_auto-connect_and_managing_saved_networks\"><\/span>Zak\u00e1z\u00e1n\u00ed automatick\u00e9ho p\u0159ipojen\u00ed a spr\u00e1va ulo\u017een\u00fdch s\u00edt\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Funkce automatick\u00e9ho p\u0159ipojen\u00ed v za\u0159\u00edzen\u00edch se syst\u00e9mem iOS, Android, Windows a macOS se m\u016f\u017ee v tichosti znovu p\u0159ipojit ke star\u00fdm s\u00edt\u00edm - nebo podobn\u011b pojmenovan\u00fdm zl\u00fdm dvoj\u010dat\u016fm.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>iPhone\/iPad<\/strong>: P\u0159ejd\u011bte do Nastaven\u00ed &gt; Wi-Fi, klepn\u011bte na s\u00ed\u0165 a zaka\u017ete funkci \u201cAutomatick\u00e9 p\u0159ipojen\u00ed\u201d.\u201d<\/li>\n\n\n\n<li><strong>Android<\/strong>: V nastaven\u00ed Wi-Fi vyberte s\u00ed\u0165 a zaka\u017ete automatick\u00e9 p\u0159ipojov\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Windows<\/strong>: Otev\u0159ete Ovl\u00e1dac\u00ed panely nebo Nastaven\u00ed a po v\u00fdzv\u011b vyberte mo\u017enost \u201cVe\u0159ejn\u00e1 s\u00ed\u0165\u201d.<\/li>\n\n\n\n<li><strong>MacBook<\/strong>: V P\u0159edvolb\u00e1ch syst\u00e9mu &gt; S\u00ed\u0165 zru\u0161te za\u0161krtnut\u00ed pol\u00ed\u010dka \u201cAutomaticky se p\u0159ipojit k t\u00e9to s\u00edti\u201d.\u201d<\/li>\n<\/ul>\n\n\n\n<p>Na konci cesty zkontrolujte seznam zn\u00e1m\u00fdch s\u00edt\u00ed a \u201czapome\u0148te\u201d v\u0161echny ve\u0159ejn\u00e9 s\u00edt\u011b, kter\u00e9 ji\u017e nepot\u0159ebujete.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Turning_off_file_sharing_and_nearby_sharing_features\"><\/span>Vypnut\u00ed funkc\u00ed sd\u00edlen\u00ed soubor\u016f a sd\u00edlen\u00ed v okol\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>P\u0159ed p\u0159ipojen\u00edm k ve\u0159ejn\u00e9mu p\u0159ipojen\u00ed wi fi zaka\u017ete sd\u00edlen\u00ed soubor\u016f, zji\u0161\u0165ov\u00e1n\u00ed s\u00edt\u011b a funkce mezi za\u0159\u00edzen\u00edmi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V syst\u00e9mu Windows nastavte typ s\u00edt\u011b na \u201cVe\u0159ejn\u00e1\u201d, aby bylo sd\u00edlen\u00ed soubor\u016f ve v\u00fdchoz\u00edm nastaven\u00ed blokov\u00e1no.<\/li>\n\n\n\n<li>Na adrese <a href=\"https:\/\/blog.lebara.co.uk\/cs\/a-guide-to-the-top-iphones-for-business-and-pleasure\/\">Apple<\/a> za\u0159\u00edzen\u00ed, nastavte funkci AirDrop na \u201cPouze kontakty\u201d nebo ji zcela vypn\u011bte.<\/li>\n\n\n\n<li>Zak\u00e1zat <a href=\"https:\/\/blog.lebara.co.uk\/cs\/demystifying-bluetooth-technology-a-beginners-guide-to-wireless-connectivity\/\">Bluetooth<\/a> na p\u0159epln\u011bn\u00fdch m\u00edstech, pokud aktivn\u011b nepou\u017e\u00edv\u00e1te d\u016fv\u011bryhodn\u00e9 p\u0159\u00edslu\u0161enstv\u00ed.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Recognising_signs_of_an_unsafe_connection\"><\/span>Rozpozn\u00e1n\u00ed p\u0159\u00edznak\u016f nebezpe\u010dn\u00e9ho p\u0159ipojen\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Sledujte tyto \u010derven\u00e9 vlajky, kter\u00e9 nazna\u010duj\u00ed, \u017ee n\u011bco m\u016f\u017ee b\u00fdt \u0161patn\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u010cast\u00e9 odpojov\u00e1n\u00ed nebo opakovan\u00e9 v\u00fdzvy k zad\u00e1n\u00ed hesla<\/li>\n\n\n\n<li>Neo\u010dek\u00e1van\u00e1 varov\u00e1n\u00ed o certifik\u00e1tu v prohl\u00ed\u017ee\u010di<\/li>\n\n\n\n<li>Webov\u00e9 str\u00e1nky, kter\u00e9 neodpov\u00eddaj\u00ed obvykl\u00fdm p\u0159ihla\u0161ovac\u00edm obrazovk\u00e1m.<\/li>\n\n\n\n<li>P\u0159ihla\u0161ovac\u00ed str\u00e1nky s podivn\u00fdmi adresami (p\u0159eklepy, podivn\u00e9 subdom\u00e9ny)<\/li>\n\n\n\n<li>Neobvykl\u00e1 vyskakovac\u00ed okna s v\u00fdzvou k instalaci softwaru nebo \u201caktualizac\u00ed zabezpe\u010den\u00ed\u201d<\/li>\n<\/ul>\n\n\n\n<p>Pokud se v\u00e1m n\u011bco nezd\u00e1, okam\u017eit\u011b se odpojte a pou\u017eijte rad\u011bji mobiln\u00ed data.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Protecting_your_data_tools_and_settings_travellers_should_use\"><\/span>Ochrana dat: n\u00e1stroje a nastaven\u00ed, kter\u00e9 by cestovatel\u00e9 m\u011bli pou\u017e\u00edvat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Softwarov\u00e9 n\u00e1stroje - VPN, HTTPS, firewally, antivirov\u00e9 programy - v\u00fdrazn\u011b sni\u017euj\u00ed riziko p\u0159i opakovan\u00fdch slu\u017eebn\u00edch cest\u00e1ch. Pova\u017eujte tuto \u010d\u00e1st za sadu bezpe\u010dnostn\u00edch n\u00e1stroj\u016f na cest\u00e1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Using_a_trustworthy_VPN_when_you_travel\"><\/span>Pou\u017e\u00edv\u00e1n\u00ed d\u016fv\u011bryhodn\u00e9 s\u00edt\u011b VPN na cest\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A <a href=\"https:\/\/blog.lebara.co.uk\/cs\/what-are-vpns-and-how-do-they-work\/\">virtu\u00e1ln\u00ed priv\u00e1tn\u00ed s\u00ed\u0165<\/a> \u0161ifruje ve\u0161ker\u00fd internetov\u00fd provoz prost\u0159ednictv\u00edm zabezpe\u010den\u00e9ho tunelu mezi va\u0161\u00edm za\u0159\u00edzen\u00edm a serverem VPN, tak\u017ee je mnohem obt\u00ed\u017en\u011bj\u0161\u00ed, aby n\u011bkdo ve stejn\u00e9 s\u00edti \u010detl va\u0161e data.<\/p>\n\n\n\n<p>P\u0159ed odjezdem si nainstalujte a vyzkou\u0161ejte placenou, renomovanou VPN - ne n\u00e1hodnou \u201cbezplatnou VPN\u201d sta\u017eenou ve sp\u011bchu. <a href=\"https:\/\/blog.lebara.co.uk\/cs\/6-reasons-to-switch-to-lebara-in-2023\/\">P\u0159ep\u00edna\u010d<\/a> p\u0159ed p\u0159ihl\u00e1\u0161en\u00edm k e-mailu, cloudov\u00e9mu \u00falo\u017ei\u0161ti, firemn\u00edm aplikac\u00edm nebo rezerva\u010dn\u00edm web\u016fm v jak\u00e9koli ve\u0159ejn\u00e9 s\u00edti.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>V n\u011bkter\u00fdch zem\u00edch je pou\u017e\u00edv\u00e1n\u00ed VPN regulov\u00e1no nebo omezeno. P\u0159edem si ov\u011b\u0159te m\u00edstn\u00ed pravidla a jako z\u00e1lo\u017en\u00ed pl\u00e1n si p\u0159ipravte mobiln\u00ed data.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Relying_on_HTTPS_and_browser_security_indicators\"><\/span>Spol\u00e9h\u00e1n\u00ed se na protokol HTTPS a bezpe\u010dnostn\u00ed indik\u00e1tory prohl\u00ed\u017ee\u010de<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Ikona visac\u00edho z\u00e1mku a \u201c<a href=\"https:\/\/%22\">https:\/\/\u201c<\/a> v adresn\u00edm \u0159\u00e1dku prohl\u00ed\u017ee\u010de ozna\u010duj\u00ed, \u017ee spojen\u00ed s danou webovou str\u00e1nkou je \u0161ifrovan\u00e9. V\u011bt\u0161ina webov\u00fdch str\u00e1nek nyn\u00ed standardn\u011b podporuje protokol HTTPS.<\/p>\n\n\n\n<p>Zlo\u010dinci v\u0161ak mohou vytv\u00e1\u0159et fale\u0161n\u00e9 webov\u00e9 str\u00e1nky s certifik\u00e1ty HTTPS. V\u017edy si ov\u011b\u0159te cel\u00fd n\u00e1zev dom\u00e9ny - \u201cbank.example.com\u201d se li\u0161\u00ed od \u201csecure-bank-login.example.info\u201d. Nikdy nezad\u00e1vejte hesla nebo platebn\u00ed \u00fadaje na str\u00e1nk\u00e1ch HTTP (bez symbolu z\u00e1mku), zejm\u00e9na ve ve\u0159ejn\u00e9 s\u00edti.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Keeping_firewalls_enabled\"><\/span>Udr\u017eov\u00e1n\u00ed povolen\u00fdch firewall\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Br\u00e1na firewall filtruje p\u0159\u00edchoz\u00ed p\u0159ipojen\u00ed, tak\u017ee ostatn\u00ed u\u017eivatel\u00e9 ve stejn\u00e9 s\u00edti nemohou p\u0159\u00edmo zkoumat zranitelnosti va\u0161eho za\u0159\u00edzen\u00ed. Vestav\u011bn\u00e9 br\u00e1ny firewall v syst\u00e9mu Windows nebo macOS m\u011bjte zapnut\u00e9 a p\u0159ed ka\u017edou cestou ov\u011b\u0159te, zda jsou aktivn\u00ed.<\/p>\n\n\n\n<p>Kdy\u017e v\u00e1s syst\u00e9m Windows vyzve k v\u00fdb\u011bru typu s\u00edt\u011b, vyberte mo\u017enost \u201cVe\u0159ejn\u00e1 s\u00ed\u0165\u201d, abyste pou\u017eili p\u0159\u00edsn\u011bj\u0161\u00ed pravidla br\u00e1ny firewall vhodn\u00e1 pro hotelov\u00e9 a leti\u0161tn\u00ed s\u00edt\u011b wi fi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Using_up-to-date_antivirus_and_security_software\"><\/span>Pou\u017e\u00edv\u00e1n\u00ed aktu\u00e1ln\u00edho antivirov\u00e9ho a bezpe\u010dnostn\u00edho softwaru<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Aktu\u00e1ln\u00ed antivirov\u00fd software dok\u00e1\u017ee odhalit \u0161kodliv\u00e9 stahov\u00e1n\u00ed, \u0161kodliv\u00e9 webov\u00e9 str\u00e1nky a podez\u0159el\u00e9 chov\u00e1n\u00ed vyvolan\u00e9 prost\u0159ednictv\u00edm ve\u0159ejn\u00e9 wifi. Spus\u0165te aktualizace p\u0159ed odchodem z domova, dokud m\u00e1te p\u0159\u00edstup k d\u016fv\u011bryhodn\u00e9 s\u00edti.<\/p>\n\n\n\n<p>Obchodn\u00ed cestuj\u00edc\u00ed, kte\u0159\u00ed pravideln\u011b pracuj\u00ed z hotel\u016f, by m\u011bli zv\u00e1\u017eit komplexn\u00ed bezpe\u010dnostn\u00ed software, kter\u00fd zahrnuje ochranu webu a blokov\u00e1n\u00ed zneu\u017eit\u00ed. Konzultant pracuj\u00edc\u00ed z hotelu v roce 2025 se vyhne fale\u0161n\u00e9 aktualizaci prohl\u00ed\u017ee\u010de, proto\u017ee jeho bezpe\u010dnostn\u00ed software ji ozna\u010d\u00ed jako \u0161kodlivou - to je ochrana, kterou chcete.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Enabling_strong_authentication_on_important_accounts\"><\/span>Povolen\u00ed siln\u00e9ho ov\u011b\u0159ov\u00e1n\u00ed na d\u016fle\u017eit\u00fdch \u00fa\u010dtech<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Aktivujte v\u00edcefaktorov\u00e9 ov\u011b\u0159ov\u00e1n\u00ed (naz\u00fdvan\u00e9 tak\u00e9 dvoufaktorov\u00e9 ov\u011b\u0159ov\u00e1n\u00ed) na kritick\u00fdch online \u00fa\u010dtech: e-mail, bankovnictv\u00ed, cloudov\u00e1 \u00falo\u017ei\u0161t\u011b, soci\u00e1ln\u00ed s\u00edt\u011b a pracovn\u00ed p\u0159ihl\u00e1\u0161en\u00ed.<\/p>\n\n\n\n<p>Mezi b\u011b\u017en\u00e9 druh\u00e9 faktory pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Autentiza\u010dn\u00ed aplikace (Google Authenticator, Microsoft Authenticator)<\/li>\n\n\n\n<li>SMS k\u00f3dy (m\u00e9n\u011b bezpe\u010dn\u00e9, ale lep\u0161\u00ed ne\u017e nic)<\/li>\n\n\n\n<li>Hardwarov\u00e9 bezpe\u010dnostn\u00ed kl\u00ed\u010de<\/li>\n<\/ul>\n\n\n\n<p>Se zapnutou funkc\u00ed MFA, i kdy\u017e jsou slo\u017eit\u00e1 hesla zachycena v napaden\u00e9 s\u00edti kav\u00e1rny, nemohou \u00fato\u010dn\u00edci z\u00edskat p\u0159\u00edstup bez va\u0161eho druh\u00e9ho faktoru. Metody zalo\u017een\u00e9 na aplikac\u00edch funguj\u00ed offline, tak\u017ee jsou spolehliv\u00e9 i pro cestuj\u00edc\u00ed s omezen\u00fdm mobiln\u00edm pokryt\u00edm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_you_should_avoid_public_Wi-Fi_altogether\"><\/span>Kdy byste se m\u011bli \u00fapln\u011b vyhnout ve\u0159ejn\u00e9mu Wi-Fi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u011bkter\u00e9 \u010dinnosti jsou ze sv\u00e9 podstaty vysoce rizikov\u00e9 a je t\u0159eba se jim na ve\u0159ejn\u00fdch wi fi s bezpe\u010dnostn\u00edmi opat\u0159en\u00edmi vyhnout:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Online bankovnictv\u00ed a obchodn\u00ed \u00fa\u010dty<\/li>\n\n\n\n<li>Da\u0148ov\u00e9 port\u00e1ly a syst\u00e9my HR<\/li>\n\n\n\n<li>Zm\u011bna hesel na v\u00edce \u00fa\u010dtech<\/li>\n\n\n\n<li>N\u00e1stroje pro vzd\u00e1lenou spr\u00e1vu<\/li>\n<\/ul>\n\n\n\n<p>Pro tyto \u00fakoly pou\u017e\u00edvejte mobiln\u00ed data (4G\/5G) nebo osobn\u00ed hotspot.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Handling_banking_and_payments_while_abroad\"><\/span>Vy\u0159izov\u00e1n\u00ed bankovn\u00edch operac\u00ed a plateb v zahrani\u010d\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Vyvarujte se p\u0159ihla\u0161ov\u00e1n\u00ed do bankovn\u00edch aplikac\u00ed a zad\u00e1v\u00e1n\u00ed \u00fadaj\u016f o kreditn\u00edch kart\u00e1ch p\u0159es ve\u0159ejnou wifi, zejm\u00e9na na nezabezpe\u010den\u00fdch s\u00ed\u0165ov\u00fdch p\u0159ipojen\u00edch. Pou\u017e\u00edvejte ofici\u00e1ln\u00ed mobiln\u00ed aplikaci sv\u00e9 banky p\u0159es mobiln\u00ed data nebo po\u010dkejte, a\u017e budete m\u00edt k dispozici d\u016fv\u011bryhodnou s\u00ed\u0165.<\/p>\n\n\n\n<p>Pokud se p\u0159i platb\u011b nevyhnete pou\u017eit\u00ed ve\u0159ejn\u00e9 wi fi, pou\u017eijte VPN, potvr\u010fte HTTPS viditelnou ikonou z\u00e1mku a ihned pot\u00e9 se odhlaste. B\u011bhem cest a po nich pe\u010dliv\u011b sledujte sv\u00e9 \u00fa\u010dty, zda na nich nejsou \u00fa\u010dtov\u00e1ny podez\u0159el\u00e9 poplatky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Accessing_work_systems_and_cloud_services\"><\/span>P\u0159\u00edstup k pracovn\u00edm syst\u00e9m\u016fm a cloudov\u00fdm slu\u017eb\u00e1m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>P\u0159ipojen\u00ed k firemn\u00edmu e-mailu a cloudov\u00fdm slu\u017eb\u00e1m z ve\u0159ejn\u00e9 s\u00edt\u011b wi fi m\u016f\u017ee v\u00e9st k odhalen\u00ed firemn\u00edch dat. Obchodn\u00ed cestuj\u00edc\u00ed by m\u011bli v\u017edy pou\u017e\u00edvat schv\u00e1lenou s\u00ed\u0165 VPN sv\u00e9 organizace a dodr\u017eovat z\u00e1sady IT odd\u011blen\u00ed pro vzd\u00e1len\u00fd p\u0159\u00edstup.<\/p>\n\n\n\n<p>Povolte \u0161ifrov\u00e1n\u00ed za\u0159\u00edzen\u00ed (BitLocker v syst\u00e9mu Windows, FileVault v syst\u00e9mu macOS) a uzamykejte obrazovky pomoc\u00ed siln\u00fdch k\u00f3d\u016f PIN nebo biometrick\u00fdch \u00fadaj\u016f. Ukl\u00e1d\u00e1n\u00ed citliv\u00fdch dat do ne\u0161ifrovan\u00fdch za\u0159\u00edzen\u00ed p\u0159ed p\u0159ipojen\u00edm k nezn\u00e1m\u00fdm hotelov\u00fdm s\u00edt\u00edm zvy\u0161uje dopad p\u0159\u00edpadn\u00e9ho ohro\u017een\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Safer_alternatives_using_your_phone_and_offline_options\"><\/span>Bezpe\u010dn\u011bj\u0161\u00ed alternativy: pou\u017e\u00edv\u00e1n\u00ed telefonu a mo\u017enosti offline<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Mobiln\u00ed datov\u00e9 s\u00edt\u011b a offline p\u0159\u00edprava \u010dasto umo\u017e\u0148uj\u00ed bezpe\u010dn\u011bj\u0161\u00ed online aktivity ne\u017e \u00fapln\u00e9 spol\u00e9h\u00e1n\u00ed se na bezplatnou wi fi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Using_your_phones_hotspot_securely\"><\/span>Bezpe\u010dn\u00e9 pou\u017e\u00edv\u00e1n\u00ed hotspotu v telefonu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/blog.lebara.co.uk\/cs\/what-does-tethering-mean\/\">P\u0159ipout\u00e1n\u00ed<\/a> prost\u0159ednictv\u00edm osobn\u00edho hotspotu 4G\/5G obvykle nab\u00edz\u00ed siln\u011bj\u0161\u00ed \u0161ifrov\u00e1n\u00ed a izolaci ne\u017e nezn\u00e1m\u00e9 kav\u00e1rensk\u00e9 nebo hotelov\u00e9 s\u00edt\u011b. Nastavte si siln\u00e1 a slo\u017eit\u00e1 hesla pro sv\u016fj hotspot, vyhn\u011bte se zjevn\u00fdm n\u00e1zv\u016fm s\u00edt\u00ed a po pou\u017eit\u00ed jej okam\u017eit\u011b vypn\u011bte.<\/p>\n\n\n\n<p>Ne\u017e se za\u010dnete ve velk\u00e9 m\u00ed\u0159e spol\u00e9hat na hotspoty, ov\u011b\u0159te si, zda m\u00e1te k dispozici roaming a datov\u00e9 p\u0159\u00eddavky. <a href=\"https:\/\/blog.lebara.co.uk\/cs\/using-data-abroad-what-you-need-to-know\/\">v zahrani\u010d\u00ed<\/a>. Zva\u017ete mo\u017enost po\u0159\u00edzen\u00ed powerbanky pro del\u0161\u00ed pou\u017e\u00edv\u00e1n\u00ed mezi lety.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Planning_for_offline_access\"><\/span>Pl\u00e1nov\u00e1n\u00ed p\u0159\u00edstupu offline<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Stahujte kl\u00ed\u010dov\u00e9 informace doma v d\u016fv\u011bryhodn\u00e9 s\u00edti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Palubn\u00ed vstupenky a potvrzen\u00ed o ubytov\u00e1n\u00ed<\/li>\n\n\n\n<li>Offline mapy lond\u00fdnsk\u00e9ho metra, tokijsk\u00e9ho metra nebo p\u011b\u0161\u00edch tras ve m\u011bst\u011b<\/li>\n\n\n\n<li>P\u0159ekladov\u00e9 bal\u00ed\u010dky a kopie ID v \u0161ifrovan\u00e9m \u00falo\u017ei\u0161ti<\/li>\n<\/ul>\n\n\n\n<p>Pokud si napl\u00e1nujete pr\u00e1ci offline b\u011bhem let\u016f a j\u00edzd vlakem, sn\u00ed\u017e\u00edte po\u010det p\u0159\u00edpad\u016f, kdy mus\u00edte riskovat p\u0159ipojen\u00ed k ve\u0159ejn\u00e9 s\u00edti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Physical_security_and_post-trip_clean-up\"><\/span>Fyzick\u00e1 bezpe\u010dnost a \u00faklid po cest\u011b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Kr\u00e1de\u017e za\u0159\u00edzen\u00ed a surfov\u00e1n\u00ed p\u0159es rameno jsou \u010dasto jednodu\u0161\u0161\u00ed \u00fatoky ne\u017e slo\u017eit\u00e9 pokusy o hackersk\u00fd \u00fatok, zejm\u00e9na v p\u0159epln\u011bn\u00fdch turistick\u00fdch oblastech a dopravn\u00edch uzlech.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Protecting_devices_in_public_places\"><\/span>Ochrana za\u0159\u00edzen\u00ed na ve\u0159ejn\u00fdch m\u00edstech<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nikdy nenech\u00e1vejte za\u0159\u00edzen\u00ed bez dozoru na stolech v kav\u00e1rn\u00e1ch, na nab\u00edjec\u00edch stanic\u00edch nebo v hotelov\u00fdch hal\u00e1ch.<\/li>\n\n\n\n<li>Pou\u017eijte <a href=\"https:\/\/blog.lebara.co.uk\/cs\/what-is-the-ios-privacy-report-on-iphone\/\">ochrana osobn\u00edch \u00fadaj\u016f<\/a> filtry obrazovky na notebooc\u00edch p\u0159i pr\u00e1ci v obchodn\u00edch sal\u00f3nc\u00edch nebo ve vlac\u00edch.<\/li>\n\n\n\n<li>Uzam\u010den\u00ed obrazovky p\u0159i ka\u017ed\u00e9m odchodu<\/li>\n\n\n\n<li>Pou\u017e\u00edv\u00e1n\u00ed hotelov\u00fdch trezor\u016f pro za\u0159\u00edzen\u00ed, kdy\u017e nejsou pot\u0159eba<\/li>\n\n\n\n<li>Nenab\u00edjejte z nezn\u00e1m\u00fdch port\u016f USB - pou\u017e\u00edvejte vlastn\u00ed nab\u00edje\u010dku a z\u00e1str\u010dku.<\/li>\n<\/ul>\n\n\n\n<p>Obvykl\u00fdmi m\u00edsty kr\u00e1de\u017e\u00ed jsou p\u0159epln\u011bn\u00e9 kav\u00e1rny v evropsk\u00fdch m\u011bstech, no\u010dn\u00ed vlaky a konferen\u010dn\u00ed prostory.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_to_do_after_you_disconnect_or_return_home\"><\/span>Co d\u011blat po odpojen\u00ed nebo n\u00e1vratu dom\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Po ka\u017ed\u00e9 cest\u011b prove\u010fte rychl\u00e9 digit\u00e1ln\u00ed \u010di\u0161t\u011bn\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Odstran\u011bn\u00ed v\u0161ech ulo\u017een\u00fdch ve\u0159ejn\u00fdch s\u00edt\u00ed ze za\u0159\u00edzen\u00ed<\/li>\n\n\n\n<li>Spus\u0165te \u00faplnou kontrolu zabezpe\u010den\u00ed pomoc\u00ed antivirov\u00e9ho softwaru.<\/li>\n\n\n\n<li>Zm\u011bna hesel u v\u0161ech \u00fa\u010dt\u016f, ke kter\u00fdm se p\u0159istupuje v pochybn\u00fdch s\u00edt\u00edch.<\/li>\n\n\n\n<li>Sledov\u00e1n\u00ed bankovn\u00edch \u00fa\u010dt\u016f a protokol\u016f e-mailov\u00fdch aktivit pro neobvykl\u00e1 p\u0159ihl\u00e1\u0161en\u00ed.<\/li>\n<\/ul>\n\n\n\n<p>D\u016fsledn\u00e1 kontrola po cest\u011b zm\u011bn\u00ed jednor\u00e1zov\u00e1 opat\u0159en\u00ed v trvalou praxi ochrany soukrom\u00ed online. Pokud se tyto n\u00e1vyky stanou rutinou p\u0159i ka\u017ed\u00e9 cest\u011b, stanete se mnohem obt\u00ed\u017en\u011bj\u0161\u00edm c\u00edlem kybernetick\u00fdch hrozeb - za\u010dn\u011bte s v\u00fd\u0161e uveden\u00fdm kontroln\u00edm seznamem p\u0159ed dal\u0161\u00edm letem.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Free wi fi in airports, hotels, and coffee shops keeps travellers connected, but these networks can expose your login credentials, messages, and credit card details if you connect carelessly. Understanding how to stay safe on public wi fi networks is essential for anyone who travels regularly. Quick-start safety checklist for travellers Before you connect to&#8230;<\/p>\n<div><a class=\"read-more button-link\" href=\"https:\/\/blog.lebara.co.uk\/cs\/public-wi-fi-safety-tips-for-travellers\/\">P\u0159e\u010dt\u011bte si v\u00edce<\/a><\/div>","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-4008","post","type-post","status-publish","format-standard","hentry","category-phones","clearfix",false],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/posts\/4008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/comments?post=4008"}],"version-history":[{"count":1,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/posts\/4008\/revisions"}],"predecessor-version":[{"id":4019,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/posts\/4008\/revisions\/4019"}],"wp:attachment":[{"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/media?parent=4008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/categories?post=4008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/cs\/wp-json\/wp\/v2\/tags?post=4008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}