{"id":149624,"date":"2024-12-26T18:07:23","date_gmt":"2024-12-26T15:07:23","guid":{"rendered":"https:\/\/freevpnplanet.com\/?post_type=post&p=149624"},"modified":"2025-04-02T18:14:16","modified_gmt":"2025-04-02T15:14:16","slug":"how-safe-is-telegram","status":"publish","type":"post","link":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/","title":{"rendered":"Jak bezpe\u010dn\u00fd je Telegram?"},"content":{"rendered":"

Ned\u00e1vn\u00e9 zat\u010den\u00ed zakladatele Telegramu Pavla Durova 24. srpna 2024 na leti\u0161ti Paris-Le Bourget op\u011bt p\u0159it\u00e1hlo pozornost k aplikaci pro zas\u00edl\u00e1n\u00ed zpr\u00e1v. R\u016fzn\u00e9 vl\u00e1dy obvinily aplikaci z toho, \u017ee je hlavn\u00edm \u201em\u00edstem setk\u00e1v\u00e1n\u00ed\u201c nepohodln\u00fdch postav, v\u010detn\u011b podvodn\u00edk\u016f, terorist\u016f a v\u00fdrobc\u016f a konzument\u016f d\u011btsk\u00e9 pornografie. <\/span><\/p>\n

Podle ob\u017ealoby si tito zlo\u010dinci vyb\u00edraj\u00ed Telegram jako sv\u016fj komunika\u010dn\u00ed n\u00e1stroj, proto\u017ee \u0161ifrov\u00e1n\u00ed aplikace end-to-end (E2E) je obecn\u011b pova\u017eov\u00e1no za velmi bezpe\u010dn\u00e9.<\/span><\/p>\n

\"How<\/p>\n

Co je to end-to-end \u0161ifrov\u00e1n\u00ed?<\/span><\/h2>\n

\u0160ifrov\u00e1n\u00ed E2E zahrnuje pou\u017eit\u00ed dvou kl\u00ed\u010d\u016f, ve\u0159ejn\u00e9ho a soukrom\u00e9ho, k \u0161ifrov\u00e1n\u00ed chat\u016f pro oba koncov\u00e9 body (tj. konce konverzace). Soukrom\u00fd kl\u00ed\u010d je k dispozici pouze odes\u00edlateli a p\u0159\u00edjemci. <\/span><\/p>\n

Tato metoda je v\u0161eobecn\u011b pova\u017eov\u00e1na za vysoce neproniknutelnou, a to do t\u00e9 m\u00edry, \u017ee Telegram s\u00e1m sebe ozna\u010dil za \u201ebezpe\u010dn\u011bj\u0161\u00ed ne\u017e aplikace pro hromadn\u00e9 zas\u00edl\u00e1n\u00ed zpr\u00e1v, jako jsou WhatsApp a Line\u201c.<\/span><\/p>\n

Bezpe\u010dnostn\u00ed funkce Telegramu<\/span><\/h2>\n

Durovova aplikace, kter\u00e1 se m\u016f\u017ee pochlubit v\u00edce ne\u017e 900 miliony aktivn\u00edch u\u017eivatel\u016f po cel\u00e9m sv\u011bt\u011b, nab\u00edz\u00ed srovnatelnou \u00farove\u0148 zabezpe\u010den\u00ed jako WhatsApp a podobn\u00e9 aplikace. Je v\u0161ak t\u0159eba poznamenat, \u017ee aplikace Durov nepou\u017e\u00edv\u00e1 end-to-end \u0161ifrov\u00e1n\u00ed na v\u0161echny chaty; pou\u017e\u00edv\u00e1 se v\u00fdhradn\u011b pro ty, kter\u00e9 jsou nastaveny jako \u201etajn\u00e9\u201c. <\/span><\/p>\n

Tyto konverzace lze nastavit tak, aby se po ur\u010dit\u00e9 dob\u011b samy zni\u010dily a aby se zabr\u00e1nilo p\u0159epos\u00edl\u00e1n\u00ed zpr\u00e1v odeslan\u00fdch do tajn\u00e9 konverzace do jin\u00fdch konverzac\u00ed. Telegram pou\u017e\u00edv\u00e1 k \u0161ifrov\u00e1n\u00ed vlastn\u00ed protokol, kter\u00fd zaji\u0161\u0165uje dal\u0161\u00ed soukrom\u00ed, ale \u010del\u00ed kritice kv\u016fli sv\u00e9 netransparentnosti.<\/span><\/p>\n

Omezen\u00ed klasick\u00fdch chat\u016f<\/span><\/h3>\n

\u0160ifrov\u00e1n\u00ed na Telegramu nen\u00ed automaticky aktivov\u00e1no pro v\u0161echny chaty, skupiny a kan\u00e1ly. U t\u011bchto \u201eklasick\u00fdch\u201c chat\u016f jsou zpr\u00e1vy ulo\u017eeny na serverech Telegramu, a jsou tedy technicky p\u0159\u00edstupn\u00e9, proto\u017ee zanech\u00e1vaj\u00ed stopu, kterou lze (alespo\u0148 potenci\u00e1ln\u011b) zachytit. <\/span><\/p>\n

To p\u0159edstavuje v\u00fdznamn\u00fd rozd\u00edl oproti jin\u00fdm konkuren\u010dn\u00edm slu\u017eb\u00e1m pro zas\u00edl\u00e1n\u00ed zpr\u00e1v, p\u0159edev\u0161\u00edm WhatsApp a Signal (dal\u0161\u00ed aplikace pro zas\u00edl\u00e1n\u00ed zpr\u00e1v pova\u017eovan\u00e1 za vysoce bezpe\u010dnou pro soukromou komunikaci), kter\u00e9 ve v\u00fdchoz\u00edm nastaven\u00ed zachov\u00e1vaj\u00ed end-to-end \u0161ifrov\u00e1n\u00ed.<\/span><\/p>\n

\u0160ifrov\u00e1n\u00ed server-klient a geografick\u00e1 distribuce<\/span><\/h3>\n

Telegram nicm\u00e9n\u011b tvrd\u00ed, \u017ee chr\u00e1n\u00ed i chaty, na kter\u00e9 se nevztahuje koncov\u00e9 \u0161ifrov\u00e1n\u00ed, a to pomoc\u00ed distribuovan\u00e9 infrastruktury vyu\u017e\u00edvaj\u00edc\u00ed tzv. \u0161ifrov\u00e1n\u00ed server-klient. Data chatu jsou v podstat\u011b distribuov\u00e1na v n\u011bkolika datov\u00fdch centrech v r\u016fzn\u00fdch zem\u011bpisn\u00fdch oblastech, z nich\u017e ka\u017ed\u00e9 je \u0159\u00edzeno samostatn\u00fdm pr\u00e1vn\u00edm subjektem, kter\u00fd spad\u00e1 pod r\u016fzn\u00e9 jurisdikce. <\/span><\/p>\n

De\u0161ifrovac\u00ed kl\u00ed\u010de jsou tak\u00e9 rozd\u011bleny na n\u011bkolik \u010d\u00e1st\u00ed a nikdy nejsou uchov\u00e1v\u00e1ny spole\u010dn\u011b s daty, kter\u00e1 chr\u00e1n\u00ed, co\u017e zt\u011b\u017euje nalezen\u00ed dat spojen\u00fdch s konverzacemi ulo\u017een\u00fdmi na serverech Telegramu.<\/span><\/p>\n

\"Telegram\u2019s<\/p>\n

\u00daloha s\u00edt\u00ed VPN p\u0159i ochran\u011b soukrom\u00ed<\/span><\/h2>\n

V t\u00e9to souvislosti se mezi u\u017eivateli, kte\u0159\u00ed hledaj\u00ed dal\u0161\u00ed \u00farove\u0148 soukrom\u00ed a zabezpe\u010den\u00ed, st\u00e1v\u00e1 st\u00e1le popul\u00e1rn\u011bj\u0161\u00ed pou\u017e\u00edv\u00e1n\u00ed <\/span>virtu\u00e1ln\u00edch priv\u00e1tn\u00edch s\u00edt\u00ed<\/span><\/a> (VPN). <\/span>Planet VPN<\/span><\/a> dok\u00e1\u017ee maskovat IP adresu u\u017eivatele a \u0161ifrovat jeho internetov\u00fd provoz, \u010d\u00edm\u017e v\u00fdrazn\u011b zt\u011b\u017euje t\u0159et\u00edm stran\u00e1m sledov\u00e1n\u00ed nebo vystopov\u00e1n\u00ed online aktivit. <\/span><\/p>\n

Tento dodate\u010dn\u00fd n\u00e1stroj \u010dasto vyu\u017e\u00edvaj\u00ed jednotlivci, kte\u0159\u00ed si cht\u011bj\u00ed zajistit anonymitu p\u0159i p\u0159\u00edstupu na Telegram nebo jin\u00e9 podobn\u00e9 platformy, zejm\u00e9na v oblastech, kde se vl\u00e1dy nebo jin\u00e9 subjekty sna\u017e\u00ed komunikaci sledovat nebo omezovat.<\/span><\/p>\n

Pr\u00e1vn\u00ed ochrana a zve\u0159ej\u0148ov\u00e1n\u00ed \u00fadaj\u016f<\/span><\/h2>\n

V d\u016fsledku toho je k vynucen\u00ed zp\u0159\u00edstupn\u011bn\u00ed \u00fadaj\u016f zapot\u0159eb\u00ed v\u00edce soudn\u00edch p\u0159\u00edkaz\u016f z r\u016fzn\u00fdch jurisdikc\u00ed. Tato struktura zaji\u0161\u0165uje, \u017ee \u017e\u00e1dn\u00e1 vl\u00e1da nebo koalice vl\u00e1d nem\u016f\u017ee br\u00e1nit soukrom\u00ed a svobod\u011b projevu. <\/span><\/p>\n

Pouze v p\u0159\u00edpadech, kdy existuje nal\u00e9hav\u00fd a v\u0161eobecn\u00fd z\u00e1jem, kter\u00fd byl d\u016fkladn\u011b p\u0159ezkoum\u00e1n a potvrzen n\u011bkolika pr\u00e1vn\u00edmi syst\u00e9my v celosv\u011btov\u00e9m m\u011b\u0159\u00edtku, m\u016f\u017ee b\u00fdt spole\u010dnost Telegram donucena ke zve\u0159ejn\u011bn\u00ed \u00fadaj\u016f u\u017eivatel\u016f. Doposud nebyly \u017e\u00e1dn\u00e9 \u00fadaje zp\u0159\u00edstupn\u011bny t\u0159et\u00edm stran\u00e1m, v\u010detn\u011b vl\u00e1d.<\/span><\/p>\n

A\u010dkoli je \u0161ifrov\u00e1n\u00ed mezi serverem a klientem pova\u017eov\u00e1no za dostate\u010dn\u011b bezpe\u010dn\u00e9, je t\u0159eba poznamenat, \u017ee tato \u201ez\u00e1kladn\u00ed\u201c \u00farove\u0148 zabezpe\u010den\u00ed se uplat\u0148uje pouze mezi u\u017eivateli a serverem. <\/span><\/p>\n

To znamen\u00e1, \u017ee Telegram m\u016f\u017ee potenci\u00e1ln\u011b p\u0159istupovat ke sv\u00fdm server\u016fm a zachyt\u00e1vat komunikaci, v\u010detn\u011b hovor\u016f a videohovor\u016f. Tot\u00e9\u017e mohou ud\u011blat kyberzlo\u010dinci, pokud se jim poda\u0159\u00ed prolomit bezpe\u010dnostn\u00ed syst\u00e9my platformy.<\/span><\/p>\n

\"Telegram\u2019s<\/p>\n

Aktivace end-to-end \u0161ifrov\u00e1n\u00ed slu\u017eby Telegram<\/span><\/h2>\n

A co druh\u00e1 \u00farove\u0148 zabezpe\u010den\u00ed Telegramu, end-to-end \u0161ifrov\u00e1n\u00ed? <\/b>To p\u0159edstavuje nejvy\u0161\u0161\u00ed \u00farove\u0148 zabezpe\u010den\u00ed, kter\u00e1 je na platform\u011b k dispozici, a vztahuje se na tajn\u00e9 chaty (kter\u00e9 lze aktivovat v nastaven\u00ed jednotliv\u00fdch chat\u016f, i kdy\u017e ne zrovna intuitivn\u011b). <\/span><\/p>\n

Chcete-li v Telegramu aktivovat tajn\u00e9 chaty, p\u0159ejd\u011bte do nastaven\u00ed jednotliv\u00fdch chat\u016f, vyhledejte profil u\u017eivatele a klepn\u011bte na t\u0159i te\u010dky v prav\u00e9m horn\u00edm rohu. V\u00fdb\u011brem ikony s visac\u00edm z\u00e1mkem zah\u00e1j\u00edte tajn\u00fd chat.<\/span><\/p>\n

Protokol MTProto a jeho kryptografick\u00e9 funkce<\/span><\/h3>\n

Je t\u0159eba poznamenat, \u017ee v t\u00e9to f\u00e1zi je k dispozici pouze propriet\u00e1rn\u00ed protokol MTProto, kter\u00fd se pou\u017e\u00edv\u00e1 na serverech Telegramu. Tento protokol je schopen chr\u00e1nit komunikaci u\u017eivatel\u016f pomoc\u00ed \u0161ifrov\u00e1n\u00ed client- to-client. <\/span><\/p>\n

Abychom to d\u00e1le rozvedli, protokol MTProto vyu\u017e\u00edv\u00e1 kombinaci kryptografick\u00fdch algoritm\u016f, v\u010detn\u011b \u0161ifrov\u00e1n\u00ed AES-256 pro zpr\u00e1vy, 2048bitov\u00e9ho \u0161ifrov\u00e1n\u00ed RSA pro v\u00fdm\u011bnu kryptografick\u00fdch kl\u00ed\u010d\u016f a v\u00fdm\u011bny kl\u00ed\u010d\u016f Diffie-Hellman pro vytv\u00e1\u0159en\u00ed tajn\u00fdch chat\u016f na nechr\u00e1n\u011bn\u00fdch komunika\u010dn\u00edch kan\u00e1lech.<\/span><\/p>\n

Proto\u017ee se nejedn\u00e1 o protokol s otev\u0159en\u00fdm zdrojov\u00fdm k\u00f3dem, nemohou nez\u00e1visl\u00ed bezpe\u010dnostn\u00ed experti testovat \u00farove\u0148 zabezpe\u010den\u00ed a p\u0159\u00edpadn\u00e9 zranitelnosti, co\u017e nen\u00ed ve prosp\u011bch Telegramu. <\/span><\/p>\n

Bezpe\u010dnostn\u00ed experti obecn\u011b d\u00e1vaj\u00ed p\u0159ednost standardizovan\u00fdm \u0161ifrovac\u00edm knihovn\u00e1m, kde jsou p\u0159\u00edpadn\u00e9 zranitelnosti zn\u00e1my a lze je l\u00e9pe \u0159e\u0161it a vy\u0159e\u0161it. V d\u016fsledku toho z\u016fst\u00e1v\u00e1 neproniknutelnost koncov\u00e9ho \u0161ifrov\u00e1n\u00ed Telegramu nejist\u00e1.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Ned\u00e1vn\u00e9 zat\u010den\u00ed zakladatele Telegramu Pavla Durova 24. srpna 2024 na leti\u0161ti Paris-Le Bourget op\u011bt p\u0159it\u00e1hlo pozornost k aplikaci pro zas\u00edl\u00e1n\u00ed zpr\u00e1v. R\u016fzn\u00e9 vl\u00e1dy obvinily aplikaci z toho, \u017ee je hlavn\u00edm \u201em\u00edstem setk\u00e1v\u00e1n\u00ed\u201c nepohodln\u00fdch postav, v\u010detn\u011b podvodn\u00edk\u016f, terorist\u016f a v\u00fdrobc\u016f a konzument\u016f d\u011btsk\u00e9 pornografie. Podle ob\u017ealoby si tito zlo\u010dinci vyb\u00edraj\u00ed Telegram jako sv\u016fj komunika\u010dn\u00ed n\u00e1stroj, proto\u017ee…<\/p>\n","protected":false},"author":28,"featured_media":149565,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[320],"tags":[],"class_list":["post-149624","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kyberneticka-bezpecnost-a-ochrana-internetu"],"yoast_head":"\nZabezpe\u010den\u00ed Telegramu: Vysv\u011btlen\u00ed \u0161ifrov\u00e1n\u00ed, pou\u017e\u00edv\u00e1n\u00ed VPN a kontroverz\u00ed.<\/title>\n<meta name=\"description\" content=\"Zjist\u011bte, jak Telegram zabezpe\u010duje u\u017eivatelsk\u00e1 data pomoc\u00ed \u0161ifrov\u00e1n\u00ed, jakou roli hraj\u00ed VPN p\u0159i ochran\u011b soukrom\u00ed a jak\u00e9 kontroverze prov\u00e1zej\u00ed jeho protokol MTProto. Zjist\u011bte, jak si vede ve srovn\u00e1n\u00ed s WhatsApp a Signal.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Zabezpe\u010den\u00ed Telegramu: Vysv\u011btlen\u00ed \u0161ifrov\u00e1n\u00ed, pou\u017e\u00edv\u00e1n\u00ed VPN a kontroverz\u00ed.\" \/>\n<meta property=\"og:description\" content=\"Zjist\u011bte, jak Telegram zabezpe\u010duje u\u017eivatelsk\u00e1 data pomoc\u00ed \u0161ifrov\u00e1n\u00ed, jakou roli hraj\u00ed VPN p\u0159i ochran\u011b soukrom\u00ed a jak\u00e9 kontroverze prov\u00e1zej\u00ed jeho protokol MTProto. Zjist\u011bte, jak si vede ve srovn\u00e1n\u00ed s WhatsApp a Signal.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/\" \/>\n<meta property=\"og:site_name\" content=\"Planet VPN\" \/>\n<meta property=\"article:published_time\" content=\"2024-12-26T15:07:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-02T15:14:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2024\/12\/blue-window-tide-furniture-sale-telegram-post-1-e1735225622932.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"764\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Natalya Bennett - Author of Articles\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Natalya Bennett \u2013 Autorka \u010dl\u00e1nk\u016f\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/\",\"url\":\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/\",\"name\":\"Zabezpe\u010den\u00ed Telegramu: Vysv\u011btlen\u00ed \u0161ifrov\u00e1n\u00ed, pou\u017e\u00edv\u00e1n\u00ed VPN a kontroverz\u00ed.\",\"isPartOf\":{\"@id\":\"https:\/\/freevpnplanet.com\/cs\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2024\/12\/blue-window-tide-furniture-sale-telegram-post-1-e1735225622932.png\",\"datePublished\":\"2024-12-26T15:07:23+00:00\",\"dateModified\":\"2025-04-02T15:14:16+00:00\",\"author\":{\"@id\":\"https:\/\/freevpnplanet.com\/cs\/#\/schema\/person\/460a0e735321e43887b7e3f11bad7737\"},\"description\":\"Zjist\u011bte, jak Telegram zabezpe\u010duje u\u017eivatelsk\u00e1 data pomoc\u00ed \u0161ifrov\u00e1n\u00ed, jakou roli hraj\u00ed VPN p\u0159i ochran\u011b soukrom\u00ed a jak\u00e9 kontroverze prov\u00e1zej\u00ed jeho protokol MTProto. Zjist\u011bte, jak si vede ve srovn\u00e1n\u00ed s WhatsApp a Signal.\",\"breadcrumb\":{\"@id\":\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#primaryimage\",\"url\":\"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2024\/12\/blue-window-tide-furniture-sale-telegram-post-1-e1735225622932.png\",\"contentUrl\":\"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2024\/12\/blue-window-tide-furniture-sale-telegram-post-1-e1735225622932.png\",\"width\":1080,\"height\":764,\"caption\":\"Telegram\u2019s Security Features\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/freevpnplanet.com\/cs\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak bezpe\u010dn\u00fd je Telegram?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/freevpnplanet.com\/cs\/#website\",\"url\":\"https:\/\/freevpnplanet.com\/cs\/\",\"name\":\"Planet VPN \ud83d\udee1\ufe0f\ud83c\udf10 Free VPN\",\"description\":\"Free VPN\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/freevpnplanet.com\/cs\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"cs\",\"publisher\":{\"@id\":\"https:\/\/freevpnplanet.com\/cs\/#organization\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/freevpnplanet.com\/cs\/#\/schema\/person\/460a0e735321e43887b7e3f11bad7737\",\"name\":\"Natalya Bennett - Author of Articles\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/freevpnplanet.com\/cs\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2025\/02\/cropped-cheerful-good-looking-young-woman-wearing-white-shirt-with-blonde-hair-smiling-pleasantly-while-receiving-some-positive-news-pretty-girl-looking-with-joyful-smile-scaled-1-96x96.jpg\",\"contentUrl\":\"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2025\/02\/cropped-cheerful-good-looking-young-woman-wearing-white-shirt-with-blonde-hair-smiling-pleasantly-while-receiving-some-positive-news-pretty-girl-looking-with-joyful-smile-scaled-1-96x96.jpg\",\"caption\":\"Natalya Bennett - Author of Articles\"},\"description\":\"An online safety specialist dedicated to making cybersecurity accessible and practical. Focusing on VPN technology, she breaks down difficult security ideas so that people may comprehend how to safeguard their data and privacy online. Her knowledge enables her to help people and companies select the best resources to protect their online presence. Natalya, who is passionate about internet security, offers concise, practical guidance on VPNs, encryption, and secure browsing techniques. She is dedicated to guiding others through the always changing field of cybersecurity so they can remain safe in a world that is becoming more and more digital\",\"url\":\"https:\/\/freevpnplanet.com\/cs\/author\/natalya\/\"},{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"SoftwareApplication\",\"name\":\"Planet VPN \ud83d\udee1\ufe0f\ud83c\udf10 Free VPN\",\"operatingSystem\":\"Windows, macOS, iOS, Android, Linux, Chrome\",\"applicationCategory\":\"SecurityApplication\",\"offers\":{\"@type\":\"AggregateOffer\",\"priceCurrency\":\"USD\",\"price\":\"0\",\"lowPrice\":\"0\",\"availability\":\"https:\/\/schema.org\/InStock\"},\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.8\",\"bestRating\":\"5\",\"ratingCount\":\"12476\"}},{\"@type\":\"Organization\",\"@id\":\"https:\/\/freevpnplanet.com\/cs\/#organization\",\"url\":\"https:\/\/freevpnplanet.com\/cs\/\",\"name\":\"Planet VPN \ud83d\udee1\ufe0f\ud83c\udf10 Free VPN\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Zabezpe\u010den\u00ed Telegramu: Vysv\u011btlen\u00ed \u0161ifrov\u00e1n\u00ed, pou\u017e\u00edv\u00e1n\u00ed VPN a kontroverz\u00ed.","description":"Zjist\u011bte, jak Telegram zabezpe\u010duje u\u017eivatelsk\u00e1 data pomoc\u00ed \u0161ifrov\u00e1n\u00ed, jakou roli hraj\u00ed VPN p\u0159i ochran\u011b soukrom\u00ed a jak\u00e9 kontroverze prov\u00e1zej\u00ed jeho protokol MTProto. Zjist\u011bte, jak si vede ve srovn\u00e1n\u00ed s WhatsApp a Signal.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/","og_locale":"en_US","og_type":"article","og_title":"Zabezpe\u010den\u00ed Telegramu: Vysv\u011btlen\u00ed \u0161ifrov\u00e1n\u00ed, pou\u017e\u00edv\u00e1n\u00ed VPN a kontroverz\u00ed.","og_description":"Zjist\u011bte, jak Telegram zabezpe\u010duje u\u017eivatelsk\u00e1 data pomoc\u00ed \u0161ifrov\u00e1n\u00ed, jakou roli hraj\u00ed VPN p\u0159i ochran\u011b soukrom\u00ed a jak\u00e9 kontroverze prov\u00e1zej\u00ed jeho protokol MTProto. Zjist\u011bte, jak si vede ve srovn\u00e1n\u00ed s WhatsApp a Signal.","og_url":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/","og_site_name":"Planet VPN","article_published_time":"2024-12-26T15:07:23+00:00","article_modified_time":"2025-04-02T15:14:16+00:00","og_image":[{"width":1080,"height":764,"url":"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2024\/12\/blue-window-tide-furniture-sale-telegram-post-1-e1735225622932.png","type":"image\/png"}],"author":"Natalya Bennett - Author of Articles","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Natalya Bennett \u2013 Autorka \u010dl\u00e1nk\u016f","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/","url":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/","name":"Zabezpe\u010den\u00ed Telegramu: Vysv\u011btlen\u00ed \u0161ifrov\u00e1n\u00ed, pou\u017e\u00edv\u00e1n\u00ed VPN a kontroverz\u00ed.","isPartOf":{"@id":"https:\/\/freevpnplanet.com\/cs\/#website"},"primaryImageOfPage":{"@id":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#primaryimage"},"image":{"@id":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#primaryimage"},"thumbnailUrl":"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2024\/12\/blue-window-tide-furniture-sale-telegram-post-1-e1735225622932.png","datePublished":"2024-12-26T15:07:23+00:00","dateModified":"2025-04-02T15:14:16+00:00","author":{"@id":"https:\/\/freevpnplanet.com\/cs\/#\/schema\/person\/460a0e735321e43887b7e3f11bad7737"},"description":"Zjist\u011bte, jak Telegram zabezpe\u010duje u\u017eivatelsk\u00e1 data pomoc\u00ed \u0161ifrov\u00e1n\u00ed, jakou roli hraj\u00ed VPN p\u0159i ochran\u011b soukrom\u00ed a jak\u00e9 kontroverze prov\u00e1zej\u00ed jeho protokol MTProto. Zjist\u011bte, jak si vede ve srovn\u00e1n\u00ed s WhatsApp a Signal.","breadcrumb":{"@id":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/"]}]},{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#primaryimage","url":"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2024\/12\/blue-window-tide-furniture-sale-telegram-post-1-e1735225622932.png","contentUrl":"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2024\/12\/blue-window-tide-furniture-sale-telegram-post-1-e1735225622932.png","width":1080,"height":764,"caption":"Telegram\u2019s Security Features"},{"@type":"BreadcrumbList","@id":"https:\/\/freevpnplanet.com\/cs\/blog\/how-safe-is-telegram\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/freevpnplanet.com\/cs\/"},{"@type":"ListItem","position":2,"name":"Jak bezpe\u010dn\u00fd je Telegram?"}]},{"@type":"WebSite","@id":"https:\/\/freevpnplanet.com\/cs\/#website","url":"https:\/\/freevpnplanet.com\/cs\/","name":"Planet VPN \ud83d\udee1\ufe0f\ud83c\udf10 Free VPN","description":"Free VPN","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/freevpnplanet.com\/cs\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"cs","publisher":{"@id":"https:\/\/freevpnplanet.com\/cs\/#organization"}},{"@type":"Person","@id":"https:\/\/freevpnplanet.com\/cs\/#\/schema\/person\/460a0e735321e43887b7e3f11bad7737","name":"Natalya Bennett - Author of Articles","image":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/freevpnplanet.com\/cs\/#\/schema\/person\/image\/","url":"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2025\/02\/cropped-cheerful-good-looking-young-woman-wearing-white-shirt-with-blonde-hair-smiling-pleasantly-while-receiving-some-positive-news-pretty-girl-looking-with-joyful-smile-scaled-1-96x96.jpg","contentUrl":"https:\/\/freevpnplanet.com\/wp-content\/uploads\/2025\/02\/cropped-cheerful-good-looking-young-woman-wearing-white-shirt-with-blonde-hair-smiling-pleasantly-while-receiving-some-positive-news-pretty-girl-looking-with-joyful-smile-scaled-1-96x96.jpg","caption":"Natalya Bennett - Author of Articles"},"description":"An online safety specialist dedicated to making cybersecurity accessible and practical. Focusing on VPN technology, she breaks down difficult security ideas so that people may comprehend how to safeguard their data and privacy online. Her knowledge enables her to help people and companies select the best resources to protect their online presence. Natalya, who is passionate about internet security, offers concise, practical guidance on VPNs, encryption, and secure browsing techniques. She is dedicated to guiding others through the always changing field of cybersecurity so they can remain safe in a world that is becoming more and more digital","url":"https:\/\/freevpnplanet.com\/cs\/author\/natalya\/"},{"@context":"https:\/\/schema.org\/","@type":"SoftwareApplication","name":"Planet VPN \ud83d\udee1\ufe0f\ud83c\udf10 Free VPN","operatingSystem":"Windows, macOS, iOS, Android, Linux, Chrome","applicationCategory":"SecurityApplication","offers":{"@type":"AggregateOffer","priceCurrency":"USD","price":"0","lowPrice":"0","availability":"https:\/\/schema.org\/InStock"},"aggregateRating":{"@type":"AggregateRating","ratingValue":"4.8","bestRating":"5","ratingCount":"12476"}},{"@type":"Organization","@id":"https:\/\/freevpnplanet.com\/cs\/#organization","url":"https:\/\/freevpnplanet.com\/cs\/","name":"Planet VPN \ud83d\udee1\ufe0f\ud83c\udf10 Free VPN"}]}},"acf":[],"_links":{"self":[{"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/post\/149624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/post"}],"about":[{"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/comments?post=149624"}],"version-history":[{"count":4,"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/post\/149624\/revisions"}],"predecessor-version":[{"id":155641,"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/post\/149624\/revisions\/155641"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/media\/149565"}],"wp:attachment":[{"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/media?parent=149624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/categories?post=149624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/freevpnplanet.com\/cs\/wp-json\/wp\/v2\/tags?post=149624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}