{"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":"ss7-perusuhat","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/fi\/ss7-sms\/ss7-perusuhat\/","title":{"rendered":"SS7:n perusuhat"},"content":{"rendered":"<h2>Korostamme n\u00e4it\u00e4 vaaroja, jotka voivat tuoda ihmiset hy\u00f6dynt\u00e4m\u00e4ll\u00e4 turvallisuuspuutteita matkaviestinverkoissa:<\/h2>\n<ul>\n<li>Tilaajan tietojen ilmoittaminen<\/li>\n<li>Verkkotietojen paljastaminen<\/li>\n<li>Tilaajaliikenteen kuuntelu<\/li>\n<li>Petos<\/li>\n<li>Palvelun ep\u00e4\u00e4minen<\/li>\n<\/ul>\n<p>L\u00e4hes jokainen kirjattu vaara heijastaa toiminnanharjoittajan mainetta ja taloudellisia haasteita. Petokset, k\u00e4vij\u00f6iden sieppaaminen ja palvelunesto vaikuttavat tilaajiin v\u00e4litt\u00f6m\u00e4sti ja saattavat aiheuttaa verotuksellista laskua, yksin\u00e4isyyden rikkoutumista ja saavutettavuuden h\u00e4iri\u00f6it\u00e4. Tilaajatietojen paljastaminen merkitsee IMSI:n salakuuntelua, vaihtoehtoisten tai sivustotietojen, kuten profiilitietojen tai saldon paljastamista. Verkkotietojen paljastaminen on SS7-verkon asennustilastojen ruuhkautumista.<\/p>\n<p>Tilaajaliikenteen kuuntelun erityiset menettelyt mahdollistavat sen, ett\u00e4 henkil\u00f6 voi kuunnella tai ohjata julkaisua ja alkuper\u00e4\u00e4 olevia yksitt\u00e4isi\u00e4 tekstiviestej\u00e4 ja soittaa niihin. Petosiskut voidaan tehd\u00e4 vastoin kunkin operaattorin ja tilaajan s\u00e4\u00e4nt\u00f6j\u00e4. Aina kun kustannusj\u00e4rjestely\u00e4 muutetaan tunkeutujan toimesta tai k\u00e4ynnist\u00e4m\u00e4ll\u00e4 latausj\u00e4rjestelm\u00e4 uudelleen, se aiheuttaa vahinkoa. Vaikka siirt\u00e4m\u00e4ll\u00e4 varoja tilaajan tileilt\u00e4 ja ohjaamalla puhelut tai p\u00e4ivitt\u00e4m\u00e4ll\u00e4 maksulliseen tilaukseen vahingoittaa tilaajia. Uskomme, ett\u00e4 palvelun kielt\u00e4minen tilaajilta vain, koska operaattorit saattavat p\u00e4\u00e4st\u00e4\u00e4 seulonta verkon asioita, jotka johtavat matkaviestinverkon toimintah\u00e4iri\u00f6ihin. Toimintah\u00e4iri\u00f6 levi\u00e4\u00e4, jos tunkeilijat hallussaan tilaajan perusta tai ehk\u00e4 jopa ty\u00f6kalut brute-force IMSIs. Operaattoreiden tiet\u00e4mys SS7:n vakaudesta laajenee jatkuvasti, ja siksi he ovat alkaneet toteuttaa turvallisuusmenetelmi\u00e4. Vuonna 2015 jokainen yksitt\u00e4inen ja jokainen verkko on ollut todenn\u00e4k\u00f6isempi jokaiselle ja l\u00e4hes jokaiselle vaaralle. Parin edellisen vuosikymmenen aikana verkkosuojauksessa on kuitenkin havaittavissa trendej\u00e4.<\/p>\n<p>&nbsp;<\/p>\n<p>Verkkotietojen ruuhkautumisen, petosten ja tilaajaliikenteen salakuuntelun mahdollisuus on v\u00e4hentynyt. Jokainen verkko on ollut altis haavoittuvuuksille, jotka mahdollistavat tilaajia koskevien tietojen k\u00e4yt\u00f6n tai jopa palveluneston. Lueteltu t\u00e4ss\u00e4 ovat tehokkaita hy\u00f6kk\u00e4ysyrityksi\u00e4, jotka ammattilaisemme ovat suorittaneet koko tietoturvatutkimuksen ajan.<\/p>\n<p>&nbsp;<\/p>\n<p>Kuten t\u00e4ss\u00e4 m\u00e4\u00e4r\u00e4ss\u00e4 on huomattu, operaattorit priorisoivat toimia, jotka v\u00e4hent\u00e4v\u00e4t verkko- ja tilaajatietojen paljastumisen mahdollisuutta, koska n\u00e4m\u00e4 tilastot olisivat perustana useille tai jopa useammille iskuille. Verrattuna Range hy\u00f6kk\u00e4yksi\u00e4, 2015 kohdennettu kohti verkkotietojen paljastaminen v\u00e4heni l\u00e4hes kolminkertaiseksi. Mit\u00e4 tulee tilaajatietoihin kohdistuneisiin iskuihin. Se ei ole niin vaikea suojautua n\u00e4it\u00e4 iskuja vastaan, ja my\u00f6s tietoturvamarkkinat tarjoavat suojaa.<\/p>\n<p>Vaihtoehdot. Sata prosenttia kaikista verkoista altistuu yleens\u00e4 n\u00e4ille, ja t\u00e4m\u00e4 viittaa optioiden tehottomuuteen.<\/p>\n<p>Erilaisia vaaroja onnistuneesti hy\u00f6dynt\u00e4vien hy\u00f6kk\u00e4ysten m\u00e4\u00e4r\u00e4 on siirtynyt merkityksett\u00f6m\u00e4sti. T\u00e4rkein syy on se, ett\u00e4 kohdennettujen vierailijoiden suorittaminen on mahdotonta kompensoida SS7:n suunnitteluvirheit\u00e4. Niiden v\u00e4hent\u00e4miseksi vaaditaan taktiikkaa.<\/p>\n<p>&nbsp;<\/p>\n<h2>Johtop\u00e4\u00e4t\u00f6kset:<\/h2>\n<p>Tutkimukset ovat osoittaneet, ett\u00e4 turvallisten matkaviestint\u00e4verkkojen taso on edelleen melko alhainen. Useimmat verkot ovat edelleen avoimia, mik\u00e4 mahdollistaa sen, ett\u00e4 rikoksentekij\u00e4t voivat siepata tilaajien \u00e4\u00e4niviestej\u00e4 ja puheluita, pelata vilpillisi\u00e4 menettelyj\u00e4 ja my\u00f6s keskeytt\u00e4\u00e4 viraston, kuten tilaajien, p\u00e4\u00e4syn verkkoon.<\/p>\n<p>Tunkeilijat ovat asianmukaisesti tarkkaavaisia nykyisist\u00e4 haavoittuvuuksista, ja olemme n\u00e4hneet niiden iskujen vaikutukset, kuten nykyaikaisesta episodista, joka vaikutti joidenkin saksalaisten televiestinn\u00e4n edustajien tilaajiin, mik\u00e4 aiheutti rahan varastamisen pankkien saldoista, k\u00e4y ilmi. Ottaen huomioon, ett\u00e4 toiminnan taso voimme saada samanlaisia tapauksia, jotka ovat tuoreita l\u00e4hitulevaisuudessa.<\/p>","protected":false},"excerpt":{"rendered":"<p>Korostamme n\u00e4it\u00e4 vaaroja, jotka voivat tuoda ihmiset hy\u00f6dynt\u00e4m\u00e4ll\u00e4 turvallisuuspuutteita matkaviestinverkoissa: Tilaajatietojen paljastaminen Verkkotietojen paljastaminen Tilaajaliikenteen salakuuntelu Petos Palvelun ep\u00e4\u00e4minen L\u00e4hes jokainen kirjattu vaara heijastaa operaattorin mainetta ja taloudellisia haasteita. Petokset, k\u00e4vij\u00f6iden sieppaaminen ja palvelunesto vaikuttavat tilaajiin v\u00e4litt\u00f6m\u00e4sti ja saattavat aiheuttaa...<\/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\/fi\/ss7-sms\/ss7-perusuhat\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\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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