{"id":451,"date":"2024-03-27T07:16:01","date_gmt":"2024-03-27T04:16:01","guid":{"rendered":"https:\/\/sms-txt.net\/?p=451"},"modified":"2024-09-05T12:46:16","modified_gmt":"2024-09-05T09:46:16","slug":"pagrindines-ss7-gresmes","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/lt\/ss7-sms\/pagrindines-ss7-gresmes\/","title":{"rendered":"Pagrindin\u0117s SS7 gr\u0117sm\u0117s"},"content":{"rendered":"<h2>Pabr\u0117\u017eiame \u0161iuos pavojus, kuriuos gali kelti \u017emon\u0117s, i\u0161naudojantys mobili\u0173j\u0173 tinkl\u0173 saugumo tr\u016bkumus:<\/h2>\n<ul>\n<li>Informacijos apie abonent\u0105 atskleidimas<\/li>\n<li>Tinklo informacijos atskleidimas<\/li>\n<li>Abonento duomen\u0173 srauto per\u0117mimas<\/li>\n<li>Suk\u010diavimas<\/li>\n<li>Paslaugos atsisakymas<\/li>\n<\/ul>\n<p>Beveik kiekvienas u\u017eregistruotas pavojus susij\u0119s su reputacija ir ekonominiais sunkumais, su kuriais susiduria jo valdytojas. Suk\u010diavimas, lankytoj\u0173 per\u0117mimas ir atsisakymas teikti paslaugas AFF i\u0161 karto paveikia abonentus ir gali sukelti fiskalin\u012f nuosmuk\u012f, vienatv\u0117s pa\u017eeidim\u0105 ir prieinamumo sutrikimus. Abonento informacijos atskleidimas rei\u0161kia IMSI perkrovim\u0105, alternatyvios ar svetain\u0117s informacijos, pavyzd\u017eiui, profilio informacijos ar balanso, atskleidim\u0105. Tinklo informacijos atskleidimas yra susij\u0119s su SS7 tinklo s\u0105rankos statistikos perkrova.<\/p>\n<p>Konkre\u010dios abonent\u0173 srauto per\u0117mimo proced\u016bros leid\u017eia asmeniui arba u\u017esukti, arba nukreipti leidyb\u0105 ir kilm\u0117s perimti ir skambinti atskiroms SMS \u017einut\u0117ms. Suk\u010diavimo sm\u016bgiai gali b\u016bti atliekami prie\u0161ingai kiekvienam operatoriui ir abonentui. Kai \u012fsilau\u017e\u0117lis pakei\u010dia i\u0161laid\u0173 tvark\u0105 arba i\u0161 naujo paleid\u017eia apmokestinimo sistem\u0105, tai sukelia \u017eal\u0105. O l\u0117\u0161\u0173 perk\u0117limas i\u0161 j\u016bs\u0173 abonento s\u0105skait\u0173 ir skambu\u010di\u0173 peradresavimas ar atnaujinimas \u012f mokam\u0105 abonement\u0105 pakenks abonentams. Manome, kad paslaug\u0173 atsisakymas i\u0161 abonent\u0173 tiesiog, kaip operatoriai gali leisti tikrinti tinklo dalykus, d\u0117l kuri\u0173 netinkamai veikia judriojo ry\u0161io tinklas. Blogas veikimas i\u0161sisklaidys, jei \u012fsilau\u017e\u0117liai tur\u0117s abonent\u0173 pagrind\u0105 arba galb\u016bt net \u012frankius \u012f brute-force IMSI. Operatori\u0173 \u017einios apie SS7 stabilum\u0105 nuolat auga, tod\u0117l jie prad\u0117jo taikyti saugumo metodus. Dar 2015 m. kiekvienas ir kiekvienas tinklas buvo labiau link\u0119s \u012f kiekvien\u0105 ir beveik kiekvien\u0105 pavojaus r\u016b\u0161\u012f. Ta\u010diau per pastaruosius por\u0105 de\u0161imtme\u010di\u0173 tinklo apsaugos srityje pastebimos tendencijos.<\/p>\n<p>&nbsp;<\/p>\n<p>Suma\u017e\u0117jo tinklo informacijos perkrovos, suk\u010diavimo ir abonent\u0173 duomen\u0173 srauto per\u0117mimo galimyb\u0117. Kiekviename tinkle buvo pa\u017eeid\u017eiamum\u0173, leid\u017eian\u010di\u0173 pasinaudoti informacija apie abonentus ar net atsisakyti teikti paslaugas. \u010cia i\u0161vardytos galingos atak\u0173 pastangos, kurias per vis\u0105 saugumo tyrim\u0105 atliko m\u016bs\u0173 profesionalai.<\/p>\n<p>&nbsp;<\/p>\n<p>Kaip pasteb\u0117ta \u0161ioje dalyje, operatoriai teikia pirmenyb\u0119 veiksmams, kurie ma\u017eina tinklo ir abonent\u0173 informacijos atskleidimo galimyb\u0119, nes \u0161ie statistiniai duomenys b\u016bt\u0173 keli\u0173 ar net daugiau sm\u016bgi\u0173 pagrindas. Palyginti su i\u0161puoli\u0173 diapazonu, 2015 m. \u012f tinklo informacijos atskleidim\u0105 nukreipt\u0173 i\u0161puoli\u0173 suma\u017e\u0117jo beveik tris kartus. Kalbant apie sm\u016bgius abonento informacijai. Nuo \u0161i\u0173 sm\u016bgi\u0173 apsisaugoti n\u0117ra taip sunku, be to, informacijos apsaugos rinka suteikia apsaug\u0105<\/p>\n<p>Galimyb\u0117s. \u0160imtas procent\u0173 vis\u0173 tinkl\u0173 yra link\u0119 b\u016bti veikiami \u0161i\u0173 pasirinkimo sandori\u0173, o tai rodo, kad pasirinkimo sandoriai yra neveiksmingi.<\/p>\n<p>I\u0161puoli\u0173, kuriuos pavyksta \u012fvykdyti naudojant \u012fvairi\u0173 r\u016b\u0161i\u0173 pavojus, skai\u010dius kinta ne\u017eymiai. Pagrindin\u0117 prie\u017eastis yra ta, kad tikslini\u0173 lankytoj\u0173 vykdymas negali kompensuoti SS7 konstrukcijos tr\u016bkum\u0173. Norint juos suma\u017einti reikalaujama taktikos.<\/p>\n<p>&nbsp;<\/p>\n<h2>I\u0161vados:<\/h2>\n<p>Tyrimai parod\u0117, kad saugi\u0173 mobiliojo ry\u0161io tinkl\u0173 lygis vis dar yra gana \u017eemas. Dauguma tinkl\u0173 teb\u0117ra neapsaugoti, tod\u0117l nusikalt\u0117liai gali perimti abonent\u0173 balso prane\u0161imus ir skambu\u010dius, atlikti suk\u010diavimo proced\u016bras, taip pat nutraukti agent\u016br\u0173, pvz., abonent\u0173, prieinamum\u0105.<\/p>\n<p>\u012esilau\u017e\u0117liai yra tinkamai atkreipti d\u0117mes\u012f \u012f dabartinius pa\u017eeid\u017eiamumus, taip pat mes mat\u0117me poveik\u012f j\u0173 sm\u016bgi\u0173, kaip parodyta i\u0161 \u0161iuolaikinio epizodo, kad paveik\u0117 abonentus kai kuri\u0173 Vokietijos telekomunikacij\u0173 atstovas, kuris suk\u0117l\u0117 pinig\u0173 vagyst\u0117s i\u0161 bank\u0173 liku\u010di\u0173. Atsi\u017evelgdami \u012f tok\u012f aktyvumo lyg\u012f, artimiausioje ateityje galime sulaukti pana\u0161i\u0173 \u0161vie\u017ei\u0173 atvej\u0173.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pabr\u0117\u017eiame \u0161iuos pavojus, kuriuos gali kelti \u017emon\u0117s, i\u0161naudojantys mobili\u0173j\u0173 tinkl\u0173 saugumo tr\u016bkumus: Beveik kiekvienas u\u017efiksuotas pavojus yra susij\u0119s su reputacijos ir ekonominiais i\u0161\u0161\u016bkiais jo operatoriui. Suk\u010diavimas, lankytoj\u0173 per\u0117mimas ir atsisakymas teikti paslaugas AFF i\u0161 karto paveikia abonentus ir gali sukelti...<\/p>","protected":false},"author":1,"featured_media":1739,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68,70,69,1],"tags":[],"class_list":["post-451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-call-interception","category-location-tracking","category-sms-intercept","category-ss7-sms"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Basic SS7 threats<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sms-txt.net\/lt\/ss7-sms\/pagrindines-ss7-gresmes\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Basic SS7 threats\" \/>\n<meta property=\"og:description\" content=\"We emphasize These dangers That May Be introduced by people exploiting security defects in mobile networks: Subscriber information disclosure Network information disclosure Subscriber traffic interception Fraud Denial of service Just about every recorded hazard reflects reputation and economic challenges for its operator. 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