{"id":46009,"date":"2026-04-05T08:48:42","date_gmt":"2026-04-05T08:48:42","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/46009\/"},"modified":"2026-04-05T08:48:42","modified_gmt":"2026-04-05T08:48:42","slug":"t-mobile-celil-obrovskym-ddos-utokum-jeste-vetsi-vsak-mohou-prijit","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/46009\/","title":{"rendered":"T-Mobile \u010delil obrovsk\u00fdm DDoS \u00fatok\u016fm. Je\u0161t\u011b v\u011bt\u0161\u00ed v\u0161ak mohou p\u0159ij\u00edt"},"content":{"rendered":"

Bezpe\u010dnostn\u00ed dohledov\u00e9 centrum (anglick\u00e1 zkratka SOC) T-Mobile zpracovalo v p\u0159edchoz\u00edm roce celkem 38 164 bezpe\u010dnostn\u00edch ud\u00e1lost\u00ed u firemn\u00edch z\u00e1kazn\u00edk\u016f. To odpov\u00edd\u00e1 pr\u016fm\u011brn\u011b 104 incident\u016fm denn\u011b a meziro\u010dn\u00edmu n\u00e1r\u016fstu o 29 %. P\u0159esto se pr\u016fm\u011brn\u00e1 reak\u010dn\u00ed doba m\u00edrn\u011b zlep\u0161ila o p\u016fl minuty ze 14 minut na 13 minut a 25 sekund.<\/p>\n

P\u0159es rekordn\u00ed z\u00e1t\u011b\u017e se n\u00e1m ale da\u0159ilo d\u00e1le zrychlovat na\u0161e reak\u010dn\u00ed \u010dasy a d\u00edky skv\u011bl\u00e9 pr\u00e1ci cel\u00e9ho t\u00fdmu jsme u DDoS \u00fatok\u016f reagovali v pr\u016fm\u011bru za 5 minut a 2 vte\u0159iny oproti 6,5 minut\u00e1m v roce 2024,\u201c uvedl Zden\u011bk Grmela, \u0159editel pro oblast kyberbezpe\u010dnosti divize pro firemn\u00ed z\u00e1kazn\u00edky spole\u010dnosti T-Mobile.<\/p>\n

\"SOC<\/a><\/p>\n

Zdroj: T-Mobile<\/p>\n

DDoS \u00fatoky nabobtnaly <\/p>\n

Nejv\u011bt\u0161\u00ed pokrok SOC zaznamenal u DDoS \u00fatok\u016f. Pr\u016fm\u011brn\u00e1 reak\u010dn\u00ed doba na tento typ incidentu klesla z lo\u0148sk\u00fdch 6,5 minuty na 5 minut a 2 sekundy. To je pozoruhodn\u00fd v\u00fdsledek zvl\u00e1\u0161t\u011b proto, \u017ee rok 2025 p\u0159inesl v oblasti DDoS mimo\u0159\u00e1dnou z\u00e1t\u011b\u017e.<\/p>\n

\u201eV polovin\u011b roku jsme zachytili dosud nejmasivn\u011bj\u0161\u00ed DDoS \u00fatoky, kter\u00e9 c\u00edlily na na\u0161eho z\u00e1kazn\u00edka z finan\u010dn\u00edho sektoru. Ty se opakovaly ve vln\u00e1ch o intenzit\u011b 550, 625 a a\u017e rekordn\u00edch 700 Gbps. V tomto p\u0159\u00edpad\u011b se tak jednalo o volumetrick\u00fd \u00fatok, tzv. UDP flood<\/a>. B\u011bhem n\u011bj \u00fato\u010dn\u00edk zahlcuje server nebo s\u00ed\u0165 tis\u00edci a\u017e miliony zpr\u00e1v (tzv. UDP paket\u016f) za sekundu. To zp\u016fsob\u00ed celkov\u00e9 p\u0159et\u00ed\u017een\u00ed s\u00edt\u011b nebo i koncov\u00fdch syst\u00e9m\u016f \u2013 slu\u017eby zpomal\u00ed nebo se zcela zastav\u00ed a u\u017eivatel\u00e9 k nim nemohou p\u0159istupovat. Kv\u016fli velikosti t\u011bchto \u00fatok\u016f na\u0161i analytici pou\u017eili na obranu mimo jin\u00e9 speci\u00e1ln\u00ed protiopat\u0159en\u00ed pomoc\u00ed technologie flowspec,\u201c popisuje Martin \u0160talmach, vedouc\u00ed Bezpe\u010dnostn\u00edho dohledov\u00e9ho centra spole\u010dnosti T-Mobile.<\/p>\n

Nejv\u011bt\u0161\u00edm DDoS \u00fatokem v historii byl s kapacitou 7 Tbps v \u010dervnu 2025<\/a>, kter\u00fd se povedlo odrazit CDN poskytovateli Cloudflare, ten ale nebyl veden formou UDP, ale QOTD.<\/p>\n

Centrum z\u00e1rove\u0148 chr\u00e1n\u00ed des\u00edtky tis\u00edc koncov\u00fdch za\u0159\u00edzen\u00ed prost\u0159ednictv\u00edm XDR (Extended Detection and Response). V roce 2025 detekovalo v\u00edce ne\u017e 60 % p\u0159\u00edpad\u016f s pokusy o zneu\u017eit\u00ed zranitelnost\u00ed.<\/p>\n

\u201eV tomto ohledu pro n\u00e1s m\u00e1 velk\u00fd v\u00fdznam tzv. Threat Intelligence<\/a>, neboli znalosti taktik \u00fato\u010dn\u00edk\u016f, kter\u00e1 je postavena na detek\u010dn\u00edch sc\u00e9n\u00e1\u0159\u00edch a umo\u017e\u0148uje n\u00e1m incidenty zachycovat d\u0159\u00edve, ne\u017e zp\u016fsob\u00ed v\u00e1\u017en\u011bj\u0161\u00ed \u0161kody. Jedn\u00e1 se o znalost technik a procedur, kter\u00e9 jsou \u00fato\u010dn\u00edky vyu\u017e\u00edv\u00e1ny,\u201c vysv\u011btluje \u0160talmach.<\/p>\n

\"Gemini<\/a><\/p>\n

Zdroj: Gemini Nano Banana<\/p>\n

V oblasti monitoringu IT prost\u0159ed\u00ed (SIEM) provedli experti SOC \u00favodn\u00ed anal\u00fdzu a informovali z\u00e1kazn\u00edky pr\u016fm\u011brn\u011b za 28 minut a 58 sekund. To odpov\u00edd\u00e1 i po\u017eadavk\u016fm legislativy NIS2 na rychl\u00e9 hl\u00e1\u0161en\u00ed incident\u016f.<\/p>\n

Zdroj: tiskov\u00e1 zpr\u00e1va<\/p>\n

\"facebook\"<\/a>\"twitter\"<\/a>\"reddit\"<\/a>\"telegram\"<\/a>\"threads\"<\/a>\"copy\"<\/a>
Dom\u016f<\/a> \u00bb \u010cl\u00e1nky<\/a> \u00bb Mobiln\u00ed oper\u00e1to\u0159i<\/a> \u00bb T-Mobile \u010delil obrovsk\u00fdm DDoS \u00fatok\u016fm. Je\u0161t\u011b v\u011bt\u0161\u00ed v\u0161ak mohou p\u0159ij\u00edt \"Nejlep\u0161\u00ed<\/a> \"Nahr\u00e1v\u00e1n\u00ed\u00a0Nahr\u00e1v\u00e1n\u00ed … \"Profilovka\"<\/p>\n

Absolvent medi\u00e1ln\u00edch studi\u00ed a \u017eurnalistiky. Zaj\u00edm\u00e1m se o modern\u00ed technologie, soci\u00e1ln\u00ed s\u00edt\u011b a m\u00e1m r\u00e1d focen\u00ed. V\u017edy si najdu chvilku na \u010dten\u00ed a bav\u00ed m\u011b u\u010dit se nov\u00fdm v\u011bcem. Zaj\u00edmaj\u00ed m\u011b modern\u00ed d\u011bjiny, politika, geografie, Formule 1 a vlastn\u011b ode v\u0161eho n\u011bco.<\/p>\n