{"id":207421,"date":"2026-09-08T18:52:15","date_gmt":"2026-09-08T18:52:15","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/207421\/"},"modified":"2026-09-08T18:52:15","modified_gmt":"2026-09-08T18:52:15","slug":"televizory-lg-pristizeny-pri-odposlouchavani-uzivatelu-i-kdyz-nebyly-zapnute","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/207421\/","title":{"rendered":"Televizory LG p\u0159isti\u017eeny p\u0159i odposlouch\u00e1v\u00e1n\u00ed u\u017eivatel\u016f. I\u00a0kdy\u017e nebyly zapnut\u00e9"},"content":{"rendered":"

V\u00fdzkumn\u00edci ve spolupr\u00e1ci s\u00a0technologick\u00fdmi kan\u00e1ly Gamers Nexus<\/a> a\u00a0Level1Techs upozornili hned na n\u011bkolik bezpe\u010dnostn\u00edch chyb. Ta nejz\u00e1va\u017en\u011bj\u0161\u00ed se ale t\u00fdk\u00e1 mikrofonu. Testy podle serveru The Verge<\/a> uk\u00e1zaly, \u017ee \u201ekompromitovan\u00fd televizor LG mohl prost\u0159ednictv\u00edm mikrofonu zachyt\u00e1vat zvuk i\u00a0v dob\u011b, kdy se televizor jevil jako vypnut\u00fd nebo byl v\u00a0pohotovostn\u00edm re\u017eimu\u201c.<\/p>\n

Ne\u0161lo p\u0159itom pouze o\u00a0okam\u017eit\u00fd p\u0159enos zvuku. Kdy\u017e t\u00fdm televizor odpojil od ethernetov\u00e9ho p\u0159ipojen\u00ed, za\u0159\u00edzen\u00ed podle testu pokra\u010dovalo v\u00a0ukl\u00e1d\u00e1n\u00ed hlasov\u00fdch vstup\u016f lok\u00e1ln\u011b. Po op\u011btovn\u00e9m p\u0159ipojen\u00ed k\u00a0s\u00edti pak bylo mo\u017en\u00e9 ulo\u017een\u00e1 data z\u00edskat.<\/p>\n

Pokud by v\u00a0praxi \u00fato\u010dn\u00edk z\u00edskal kontrolu nad televizorem, samotn\u00e9 vypnut\u00ed obrazovky by mu nezabr\u00e1nilo v\u00a0tom, aby d\u00e1l u\u017eivatele odposlouch\u00e1val. Je v\u0161ak d\u016fle\u017eit\u00e9 zd\u016fraznit, \u017ee testy se t\u00fdkaly hacknut\u00e9ho televizoru\u00a0\u2013 tedy za\u0159\u00edzen\u00ed, nad kter\u00fdm ji\u017e \u00fato\u010dn\u00edk z\u00edskal kontrolu. Neznamen\u00e1 to, \u017ee by v\u0161echny TV od tohoto v\u00fdrobce automaticky nahr\u00e1valy sv\u00e9 majitele, kdy\u017e jsou vypnut\u00e9.<\/p>\n

<\/a>Probl\u00e9m\u016f je v\u00edce<\/p>\n

\u00dapln\u00e9 technick\u00e9 podrobnosti v\u0161ak zat\u00edm nebyly zve\u0159ejn\u011bny, aby objeven\u00e9 chyby nemohli zneu\u017e\u00edt hacke\u0159i. V\u00fdzkumn\u00edci ale detailn\u00ed popis v\u0161ech sv\u00fdch zji\u0161t\u011bn\u00ed nahl\u00e1sili spole\u010dnosti LG, aby mohla vytvo\u0159it p\u0159\u00edslu\u0161n\u00e9 z\u00e1platy.<\/p>\n

Pokud by byl televizor skute\u010dn\u011b napaden, mohl by podle v\u00fdzkumn\u00edk\u016f p\u0159edstavovat v\u00edc ne\u017e jen probl\u00e9m se soukrom\u00edm. Mohl by poslou\u017eit jako vstupn\u00ed bod do dom\u00e1c\u00ed nebo firemn\u00ed s\u00edt\u011b a\u00a0potenci\u00e1ln\u011b umo\u017enit p\u0159\u00edstup ke zvuku nebo k\u00a0dal\u0161\u00edm za\u0159\u00edzen\u00edm p\u0159ipojen\u00fdm ke stejn\u00e9 s\u00edti.<\/p>\n

V\u00fdzkumn\u00edci b\u011bhem test\u016f zkoumali n\u011bkolik model\u016f televizor\u016f LG, v\u010detn\u011b OLED G5.\u00a0Pomoc\u00ed anal\u00fdzy s\u00ed\u0165ov\u00fdch paket\u016f p\u0159es n\u00e1stroj Wireshark sledovali, jak televizory komunikuj\u00ed s\u00a0okol\u00edm. Podle jejich zji\u0161t\u011bn\u00ed televizory aktivn\u011b prohled\u00e1valy m\u00edstn\u00ed s\u00ed\u0165 a\u00a0dok\u00e1zaly identifikovat dal\u0161\u00ed za\u0159\u00edzen\u00ed, nap\u0159\u00edklad telefony, po\u010d\u00edta\u010de, tisk\u00e1rny, s\u00ed\u0165ov\u00e9 p\u0159ep\u00edna\u010de nebo za\u0159\u00edzen\u00ed chytr\u00e9 dom\u00e1cnosti.<\/p>\n

Televizory m\u011bly z\u00e1rove\u0148 shroma\u017e\u010fovat informace o\u00a0okoln\u00edch Wi-Fi s\u00edt\u00edch, nap\u0159\u00edklad jejich n\u00e1zvy a\u00a0s\u00edlu sign\u00e1lu, a\u00a0tak\u00e9 \u00fadaje souvisej\u00edc\u00ed s\u00a0jednotliv\u00fdmi za\u0159\u00edzen\u00edmi. Takov\u00e1 data mohou vytvo\u0159it pom\u011brn\u011b podrobn\u00fd obr\u00e1zek o\u00a0dom\u00e1cnosti\u00a0\u2013 jak\u00e1 za\u0159\u00edzen\u00ed se v\u00a0n\u00ed nach\u00e1zej\u00ed a\u00a0jak\u00e1 technologie se pou\u017e\u00edv\u00e1.<\/p>\n

Samo o\u00a0sob\u011b p\u0159itom nemus\u00ed j\u00edt o\u00a0skrytou \u0161pion\u00e1\u017e. LG tvrd\u00ed, \u017ee vyhled\u00e1v\u00e1n\u00ed za\u0159\u00edzen\u00ed v\u00a0okol\u00ed a\u00a0mo\u017enost jejich propojen\u00ed pat\u0159\u00ed mezi standardn\u00ed funkce chytr\u00fdch televizor\u016f a\u00a0dal\u0161\u00edch za\u0159\u00edzen\u00ed chytr\u00e9 dom\u00e1cnosti.<\/p>\n

ACR dok\u00e1\u017ee rozpoznat, co sledujete<\/p>\n

Dal\u0161\u00ed \u010d\u00e1st vy\u0161et\u0159ov\u00e1n\u00ed se zam\u011b\u0159ila na technologii ACR, tedy automatick\u00e9 rozpozn\u00e1v\u00e1n\u00ed obsahu. Ta dok\u00e1\u017ee analyzovat obsah zobrazovan\u00fd nebo p\u0159ehr\u00e1van\u00fd televizorem a\u00a0vytvo\u0159it z\u00a0n\u011bj digit\u00e1ln\u00ed otisk. Pomoc\u00ed n\u011bj lze identifikovat nap\u0159\u00edklad televizn\u00ed po\u0159ady, reklamy nebo dal\u0161\u00ed sledovan\u00fd obsah.<\/p>\n

Podle v\u00fdzkumn\u00edk\u016f lze informace z\u00edskan\u00e9 prost\u0159ednictv\u00edm ACR kombinovat s\u00a0reklamn\u00edmi identifik\u00e1tory a\u00a0\u00fadaji o\u00a0za\u0159\u00edzen\u00edch p\u0159ipojen\u00fdch k\u00a0dom\u00e1c\u00ed s\u00edti. To m\u016f\u017ee umo\u017enit vytvo\u0159en\u00ed podrobn\u011bj\u0161\u00edho profilu dom\u00e1cnosti\u00a0\u2013 v\u010detn\u011b informac\u00ed o\u00a0tom, co lid\u00e9 sleduj\u00ed a\u00a0jak\u00e1 za\u0159\u00edzen\u00ed pou\u017e\u00edvaj\u00ed.<\/p>\n

ACR p\u0159itom nen\u00ed novou funkc\u00ed. Podobnou technologii pou\u017e\u00edvaj\u00ed chytr\u00e9 televizory ji\u017e del\u0161\u00ed dobu.<\/p>\n

Podle LG je ACR poskytov\u00e1no na principu aktivn\u00edho souhlasu u\u017eivatele. Pokud u\u017eivatel p\u0159\u00edslu\u0161n\u00e9 voliteln\u00e9 podm\u00ednky nep\u0159ijme, data ACR podle spole\u010dnosti nejsou vyu\u017e\u00edv\u00e1na pro reklamn\u00ed \u00fa\u010dely.<\/p>\n

\u201eNen\u00ed to pravda,\u201c tvrd\u00ed LG<\/p>\n

Spole\u010dnost LG se proti z\u00e1v\u011br\u016fm vy\u0161et\u0159ov\u00e1n\u00ed ohradila. Ve vyj\u00e1d\u0159en\u00ed poskytnut\u00e9m serveru India Today Tech<\/a> uvedla: \u201eTvrzen\u00ed uveden\u00e1 v\u00a0ned\u00e1vno zve\u0159ejn\u011bn\u00e9m videu nejsou pravdiv\u00e1.\u201c<\/p>\n

Firma z\u00e1rove\u0148 vysv\u011btlila, za jak\u00fdch okolnost\u00ed podle n\u00ed televizory zpracov\u00e1vaj\u00ed hlasov\u00e1 data: \u201eTelevizory LG zpracov\u00e1vaj\u00ed hlasov\u00e1 data pouze tehdy, kdy\u017e je stisknuto a\u00a0podr\u017eeno tla\u010d\u00edtko hlasov\u00e9ho ovl\u00e1d\u00e1n\u00ed na d\u00e1lkov\u00e9m ovlada\u010di, nebo kdy\u017e je rozpozn\u00e1no aktiva\u010dn\u00ed slovo, nap\u0159\u00edklad \u201aHi LG\u2018, pot\u00e9, co u\u017eivatel aktivoval funkci hlasov\u00e9ho rozpozn\u00e1v\u00e1n\u00ed na d\u00e1lku.\u201c<\/p>\n

LG odm\u00edt\u00e1, \u017ee by televizory mimo tyto situace zaznamen\u00e1valy okoln\u00ed rozhovory: \u201eMimo tyto p\u0159\u00edpady televizory neshroma\u017e\u010fuj\u00ed ani nenahr\u00e1vaj\u00ed okoln\u00ed rozhovory.\u201c Spole\u010dnost dod\u00e1v\u00e1, \u017ee pokud nen\u00ed aktiva\u010dn\u00ed slovo rozpozn\u00e1no, hlasov\u00e1 data se na server nep\u0159en\u00e1\u0161ej\u00ed.<\/p>\n

A\u017e do vyd\u00e1n\u00ed aktualizac\u00ed a\u00a0zve\u0159ejn\u011bn\u00ed dal\u0161\u00edch informac\u00ed o\u00a0objeven\u00fdch chyb\u00e1ch v\u0161ak nebude mo\u017en\u00e9 tyto informace spolehliv\u011b ov\u011b\u0159it.<\/p>\n

Do t\u00e9 doby by m\u011bli majitel\u00e9 televiz\u00ed od LG v\u011bnovat pozornost aktualizac\u00edm ovl\u00e1dac\u00edho softwaru (firmwaru) a\u00a0nastaven\u00ed soukrom\u00ed. V\u00fdzkumn\u00edci doporu\u010duj\u00ed zv\u00e1\u017eit vypnut\u00ed funkc\u00ed, kter\u00e9 u\u017eivatel nepot\u0159ebuje, nap\u0159\u00edklad ACR, personalizovan\u00e9 reklamy, shroma\u017e\u010fov\u00e1n\u00ed informac\u00ed o\u00a0sledov\u00e1n\u00ed nebo hlasov\u00e9 rozpozn\u00e1v\u00e1n\u00ed.<\/p>\n

<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"V\u00fdzkumn\u00edci ve spolupr\u00e1ci s\u00a0technologick\u00fdmi kan\u00e1ly Gamers Nexus a\u00a0Level1Techs upozornili hned na n\u011bkolik bezpe\u010dnostn\u00edch chyb. Ta nejz\u00e1va\u017en\u011bj\u0161\u00ed se ale…\n","protected":false},"author":2,"featured_media":207422,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[10],"tags":[17,21,920,921,16,18,19,45080,22,20],"class_list":["post-207421","post","type-post","status-publish","format-standard","has-post-thumbnail","category-zpravy","tag-headlines","tag-hlavni-udalosti","tag-kyberneticka-bezpecnost","tag-kyberneticky-utok","tag-news","tag-top-news","tag-top-stories","tag-trhlina","tag-udalosti-dne","tag-zpravy"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/117236933981629302","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/207421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=207421"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/207421\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/207422"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=207421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=207421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=207421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}