{"id":13975,"date":"2025-11-17T20:26:23","date_gmt":"2025-11-17T17:26:23","guid":{"rendered":"https:\/\/www.kaspersky.com.tr\/blog\/?p=13975"},"modified":"2025-11-17T20:26:23","modified_gmt":"2025-11-17T17:26:23","slug":"dont-look-up-satellite-eavesdropping","status":"publish","type":"post","link":"https:\/\/www.kaspersky.com.tr\/blog\/dont-look-up-satellite-eavesdropping\/13975\/","title":{"rendered":"Yukar\u0131 bakmay\u0131n, ya da Uydu verilerini nas\u0131l engelleyebilirsiniz?"},"content":{"rendered":"<p>Y\u0131l 2024. California University San Diego ve Maryland University College Park\u2019tan bir grup bilim insan\u0131, d\u00fcnyay\u0131 tehdit eden hayal edilemez bir tehlike ke\u015ffetti ve bu tehlikenin kayna\u011f\u0131n\u0131n uzayda oldu\u011funu ortaya \u00e7\u0131kard\u0131. Alarm vermeye ba\u015flad\u0131lar, ama \u00e7o\u011fu insan onlar\u0131 g\u00f6rmezden geldi\u2026<\/p>\n<p>Hay\u0131r, bu Netflix\u2019in pop\u00fcler filmi <em>Don\u2019t Look Up<\/em>\u2018\u0131n konusu de\u011fil. Bu, kurumsal VoIP g\u00f6r\u00fc\u015fmeleri, askeri operasyon verileri, Meksika polis kay\u0131tlar\u0131, ABD ve Meksika\u2019daki mobil abonelerin \u00f6zel metin mesajlar\u0131 ve aramalar\u0131 ile d\u00fczinelerce di\u011fer t\u00fcrden gizli verilerin \u015fifrelenmeden binlerce kilometre uzakl\u0131ktaki uydular arac\u0131l\u0131\u011f\u0131yla yay\u0131nland\u0131\u011f\u0131n\u0131 do\u011frulayan bir <a href=\"https:\/\/satcom.sysnet.ucsd.edu\/\" target=\"_blank\" rel=\"noopener nofollow\">\u00e7al\u0131\u015fman\u0131n yay\u0131nlanmas\u0131n\u0131n ard\u0131ndan<\/a> kar\u015f\u0131 kar\u015f\u0131ya kald\u0131\u011f\u0131m\u0131z beklenmedik bir ger\u00e7ek ve bunu engellemek i\u00e7in ihtiyac\u0131n\u0131z olan tek \u015fey, 800 $\u2019dan daha ucuz bir ekipmanolan basit bir uydu TV al\u0131c\u0131 kiti.<\/p>\n<p>Bug\u00fcn bu ihmalkarl\u0131\u011f\u0131n nedenlerini ara\u015ft\u0131r\u0131yoruz: Wired dergisinde yay\u0131nlanan <a href=\"https:\/\/www.wired.com\/story\/satellites-are-leaking-the-worlds-secrets-calls-texts-military-and-corporate-data\/\" target=\"_blank\" rel=\"noopener nofollow\">makalede<\/a> anlat\u0131ld\u0131\u011f\u0131 gibi ak\u0131\u015ftan veri \u00e7\u0131karmak ger\u00e7ekten bu kadar kolay m\u0131? Neden baz\u0131 veri operat\u00f6rleri bu ara\u015ft\u0131rmay\u0131 g\u00f6rmezden geldi ve hi\u00e7bir \u00f6nlem almad\u0131? Ve son olarak, kendi verilerimizin bu savunmas\u0131z kanallara ula\u015fmas\u0131n\u0131 \u00f6nlemek i\u00e7in biz neler yapabiliriz?<\/p>\n<h2>Ne olmu\u015ftu?<\/h2>\n<p>Alt\u0131 ara\u015ft\u0131rmac\u0131, G\u00fcney Kaliforniya\u2019n\u0131n San Diego kentindeki La Jolla sahil b\u00f6lgesinde bulunan \u00fcniversitenin \u00e7at\u0131s\u0131na, herhangi bir uydu sa\u011flay\u0131c\u0131dan veya elektronik ma\u011fazas\u0131ndan sat\u0131n al\u0131nabilecek standart bir sabit uydu TV anteni kurdu. Ara\u015ft\u0131rmac\u0131lar\u0131n sade donan\u0131m\u0131; uydu \u00e7ana\u011f\u0131 ve al\u0131c\u0131 i\u00e7in 185 $, montaj donan\u0131m\u0131 i\u00e7in 140 $, anteni d\u00f6nd\u00fcrecek motorlu akt\u00fcat\u00f6r i\u00e7in 195 $ ve TBS5927 USB \u00f6zellikli TV al\u0131c\u0131s\u0131 i\u00e7in 230 $ olmak \u00fczere toplam 750 $\u2019a mal oldu. Burada, d\u00fcnyan\u0131n bir\u00e7ok ba\u015fka yerinde, bu kitin tamam\u0131n\u0131n \u00e7ok daha ucuza mal olaca\u011f\u0131na dikkat \u00e7ekmek de gerekiyor.<\/p>\n<p>Bu kiti, muhtemelen pencerenizin \u00f6n\u00fcne veya \u00e7at\u0131n\u0131za monte edilmi\u015f tipik bir uydu TV anteninden ay\u0131ran \u00f6zellik, motorlu \u00e7anak akt\u00fcat\u00f6r\u00fcyd\u00fc. Bu mekanizma, g\u00f6r\u00fc\u015f alanlar\u0131 i\u00e7indeki \u00e7e\u015fitli uydulardan sinyal almak i\u00e7in antenin konumunu de\u011fi\u015ftirme imkan\u0131 sa\u011fl\u0131yordu. Televizyon ve ileti\u015fim i\u00e7in kullan\u0131lan sabit y\u00f6r\u00fcngeli uydular, ekvatorun \u00fczerinde y\u00f6r\u00fcngede d\u00f6nerler ve D\u00fcnya ile ayn\u0131 a\u00e7\u0131sal h\u0131zda hareket ederler. Bu, onlar\u0131n D\u00fcnya y\u00fczeyine referansla sabit kalmalar\u0131n\u0131 sa\u011flar. Normalde, anteninizi se\u00e7ti\u011finiz ileti\u015fim uydusuna y\u00f6nlendirdikten sonra, onu tekrar hareket ettirmenize gerek yoktur. Ancak, motorlu tahrik sistemi ara\u015ft\u0131rmac\u0131lar\u0131n anteni bir uydudan di\u011ferine h\u0131zla y\u00f6nlendirmelerini sa\u011flad\u0131.<\/p>\n<p>Her sabit konumlu uydu, \u00e7e\u015fitli telekom operat\u00f6rleri taraf\u0131ndan kullan\u0131lan \u00e7ok say\u0131da veri transponderine sahip. Bilim adamlar\u0131, bulunduklar\u0131 konumdan 39 sabit y\u00f6r\u00fcngeli uydudaki 411 transponderden sinyaller yakalamay\u0131 ba\u015fard\u0131lar ve d\u00fcnya \u00e7ap\u0131ndaki t\u00fcm <a href=\"https:\/\/tr.wikipedia.org\/wiki\/Ku_band%C4%B1\" target=\"_blank\" rel=\"noopener nofollow\">Ku-bant<\/a> transponderlerin %14,3\u2019\u00fcnden IP trafi\u011fini ba\u015far\u0131yla elde ettiler.<\/p>\n<div id=\"attachment_13978\" style=\"width: 1008px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2025\/11\/17201618\/dont-look-up-satellite-eavesdropping-1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-13978\" class=\"size-full wp-image-13978\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2025\/11\/17201618\/dont-look-up-satellite-eavesdropping-1.jpg\" alt=\"Uydu trafi\u011fi dinleme kitinin tamam\u0131 ara\u015ft\u0131rmac\u0131lara 750 $'a mal oldu.\" width=\"998\" height=\"508\"><\/a><p id=\"caption-attachment-13978\" class=\"wp-caption-text\">Ara\u015ft\u0131rmac\u0131lar, 750 $ de\u011ferindeki basit ekipmanlar\u0131n\u0131 kullanarak, d\u00fcnya \u00e7ap\u0131nda aktif olan t\u00fcm uydu transponderlerinin yakla\u015f\u0131k %15\u2019inden gelen trafi\u011fi inceleyebildiler. <a href=\"https:\/\/satcom.sysnet.ucsd.edu\/docs\/dontlookup_ccs25_fullpaper.pdf\" target=\"_blank\" rel=\"noopener nofollow\">Kaynak<\/a><\/p><\/div>\n<p>Ekip ilk olarak, sinyal kalitesini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131ran hassas anten otomatik hizalama i\u00e7in \u00f6zel bir y\u00f6ntem geli\u015ftirdi. 16 A\u011fustos ile 23 A\u011fustos 2024 tarihleri aras\u0131nda, g\u00f6r\u00fcn\u00fcr olan 39 uydunun tamam\u0131n\u0131 ilk kez tarad\u0131lar. Eri\u015filebilir her transponderden \u00fc\u00e7 ila on dakika s\u00fcren sinyaller kaydettiler. Bu ilk veri setini derledikten sonra, bilim adamlar\u0131 daha derinlemesine analiz i\u00e7in periyodik se\u00e7ici uydu taramalar\u0131 ve belirli uydulardan uzun s\u00fcreli, hedefli kay\u0131tlar yapmaya devam ettiler ve sonu\u00e7ta toplam 3,7 TB\u2019den fazla ham veri toplad\u0131lar.<\/p>\n<p>Ara\u015ft\u0131rmac\u0131lar, <a href=\"https:\/\/github.com\/ucsdsysnet\/dontlookup\" target=\"_blank\" rel=\"noopener nofollow\">veri aktar\u0131m protokollerini ayr\u0131\u015ft\u0131rmak<\/a> ve uydu iletimlerinin ham yakalamalar\u0131ndan elde edilen a\u011f paketlerini yeniden olu\u015fturmak i\u00e7in kod yazd\u0131lar. Aylarca, ele ge\u00e7irilen trafi\u011fi titizlikle analiz ettiler ve her ge\u00e7en g\u00fcn endi\u015feleri giderek artt\u0131. Bu uydulardan yay\u0131nlanan gizli trafi\u011fin yar\u0131s\u0131n\u0131n (!) tamamen \u015fifrelenmemi\u015f oldu\u011funu ke\u015ffettiler. Jeostasyonel y\u00f6r\u00fcngede binlerce transponder oldu\u011fu ve her birinden gelen sinyalin uygun ko\u015fullar alt\u0131nda D\u00fcnya y\u00fczeyinin %40\u2019\u0131na kadar\u0131n\u0131 kapsayan bir alanda izlenebildi\u011fi d\u00fc\u015f\u00fcn\u00fcld\u00fc\u011f\u00fcnde, bu haber ger\u00e7ekten endi\u015fe verici.<\/p>\n<div id=\"attachment_13981\" style=\"width: 1290px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2025\/11\/17201724\/dont-look-up-satellite-eavesdropping-2-1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-13981\" class=\"size-full wp-image-13981\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2025\/11\/17201724\/dont-look-up-satellite-eavesdropping-2-1.jpg\" alt=\"San Diego \u00dcniversitesi'nin \u00e7at\u0131s\u0131nda \u00e7ekilmi\u015f foto\u011fraf, soldan sa\u011fa: Annie Dai, Aaron Schulman, Keegan Ryan, Nadia Heninger ve Morty Zhang. Foto\u011frafta g\u00f6r\u00fcnmeyen: Dave Levin.\" width=\"1280\" height=\"853\"><\/a><p id=\"caption-attachment-13981\" class=\"wp-caption-text\">San Diego \u00dcniversitesi\u2019nin \u00e7at\u0131s\u0131nda \u00e7ekilmi\u015f foto\u011fraf, soldan sa\u011fa: Annie Dai, Aaron Schulman, Keegan Ryan, Nadia Heninger ve Morty Zhang. Foto\u011frafta g\u00f6r\u00fcnmeyen: Dave Levin. <a href=\"https:\/\/www.wired.com\/story\/satellites-are-leaking-the-worlds-secrets-calls-texts-military-and-corporate-data\/\" target=\"_blank\" rel=\"noopener nofollow\"> Kaynak<\/a><\/p><\/div>\n<h2>Hangi veriler a\u00e7\u0131k eri\u015fimle yay\u0131nland\u0131?<\/h2>\n<p>Jeostasyonel uydular\u0131n, \u015fifrelenmemi\u015f olarak \u00e7ok b\u00fcy\u00fck ve \u00e7e\u015fitli miktarda son derece hassas veriler yay\u0131nlad\u0131\u011f\u0131 tespit edildi. Engellenen trafik \u015funlar\u0131 i\u00e7eriyordu:<\/p>\n<ul>\n<li>Son kullan\u0131c\u0131lar\u0131n aramalar\u0131, SMS mesajlar\u0131 ve internet trafi\u011fi; T-Mobile ve AT&amp;T Mexico dahil olmak \u00fczere \u00e7e\u015fitli operat\u00f6rlere ait ekipman tan\u0131mlay\u0131c\u0131lar\u0131 ve h\u00fccresel \u015fifreleme anahtarlar\u0131<\/li>\n<li>Ticari yolcu u\u00e7aklar\u0131nda kurulu u\u00e7ak i\u00e7i Wi-Fi sistemlerinin kullan\u0131c\u0131lar\u0131 i\u00e7in internet verileri<\/li>\n<li>KPU Telecommunications, Telmex ve WiBo dahil olmak \u00fczere bir\u00e7ok b\u00fcy\u00fck VoIP sa\u011flay\u0131c\u0131s\u0131ndan gelen ses trafi\u011fi<\/li>\n<li>H\u00fck\u00fcmet, kolluk kuvvetleri ve askeri trafik: ABD askeri gemilerinden elde edilen veriler; Meksika Silahl\u0131 Kuvvetleri\u2019nin hava, deniz ve kara varl\u0131klar\u0131ndan elde edilen ger\u00e7ek zamanl\u0131 co\u011frafi konum ve telemetri verileri ve uyu\u015fturucu ka\u00e7ak\u00e7\u0131l\u0131\u011f\u0131 operasyonlar\u0131 ve kamu toplant\u0131lar\u0131 ile ilgili veriler dahil olmak \u00fczere Meksika kolluk kuvvetlerinden elde edilen bilgiler<\/li>\n<li>Kurumsal veriler: Grupo Santander Mexico, Banj\u00e9rcito ve Banorte gibi b\u00fcy\u00fck finans kurulu\u015flar\u0131 ve bankalardan gelen i\u00e7 trafik<\/li>\n<li>Depo envanteri ve fiyat g\u00fcncellemeleriyle ilgili ayr\u0131nt\u0131lar da dahil olmak \u00fczere, Walmart-Meksika\u2019dan gelen i\u00e7 trafik<\/li>\n<li>Petrol ve gaz platformlar\u0131 ve elektrik sa\u011flay\u0131c\u0131lar\u0131 gibi ABD ve Meksika\u2019n\u0131n \u00f6nemli altyap\u0131 tesislerinden gelen mesajlar<\/li>\n<\/ul>\n<p>Bu verilerin \u00e7o\u011fu, tamamen ihmal veya maliyetleri d\u00fc\u015f\u00fcrme iste\u011fi nedeniyle \u015fifrelenmemi\u015f gibi g\u00f6r\u00fcnse de (bunu daha sonra ele alaca\u011f\u0131z), uydu a\u011f\u0131nda h\u00fccresel verilerin varl\u0131\u011f\u0131n\u0131n k\u00f6keni biraz daha ilgin\u00e7. Bu sorun, uzak baz istasyonlar\u0131n\u0131 birbirine ba\u011flamak i\u00e7in kullan\u0131lan ve \u201cbackhaul trafi\u011fi\u201d olarak bilinen \u015feyden kaynaklanmakta. Ula\u015f\u0131lmas\u0131 zor b\u00f6lgelerde bulunan bir\u00e7ok kule, ana h\u00fccresel a\u011f ile uydu arac\u0131l\u0131\u011f\u0131yla ileti\u015fim kuruyor: Kule, uyduya bir sinyal g\u00f6nderiyor ve uydu bu sinyali kuleye geri iletiyor. \u00d6nemli olan nokta, ara\u015ft\u0131rmac\u0131lar\u0131n ele ge\u00e7irdi\u011fi \u015fifrelenmemi\u015f trafi\u011fin, uydudan uzak baz istasyonuna geri g\u00f6nderilen veriler olmas\u0131 idi. Bu, onlara SMS mesajlar\u0131 ve bu ba\u011flant\u0131 \u00fczerinden akan ses trafi\u011finin bir k\u0131sm\u0131 gibi \u015feylere eri\u015fim sa\u011flad\u0131.<\/p>\n<h2>Veri operat\u00f6rlerinin ara\u015ft\u0131rmac\u0131lar\u0131n mesajlar\u0131na verdikleri yan\u0131tlar<\/h2>\n<p>Adam McKay\u2019in modern klasi\u011fine ikinci kez at\u0131fta bulunma zaman\u0131 geldi. <em>Don\u2019t Look Up<\/em> filmi, yakla\u015fan bir kuyruklu y\u0131ld\u0131z \u00e7arp\u0131\u015fmas\u0131 ve tam bir yok olma tehlikesinin bile insanlar\u0131 durumu ciddiye almaya ikna edemedi\u011fi \u00fczerine hiciv dolu bir hikaye. Ne yaz\u0131k ki, kritik altyap\u0131 operat\u00f6rlerinin bilim adamlar\u0131n\u0131n uyar\u0131lar\u0131na verdikleri tepki, filmdeki olay \u00f6rg\u00fcs\u00fcne \u00e7arp\u0131c\u0131 bir \u015fekilde benziyordu.<\/p>\n<p>Aral\u0131k 2024\u2019ten itibaren ara\u015ft\u0131rmac\u0131lar, \u015fifrelenmemi\u015f trafi\u011fini ba\u015far\u0131yla ele ge\u00e7irdikleri ve tan\u0131mlad\u0131klar\u0131 \u015firketleri bilgilendirmeye ba\u015flad\u0131lar. Bu uyar\u0131lar\u0131n etkinli\u011fini \u00f6l\u00e7mek i\u00e7in ekip, \u015eubat 2025\u2019te uydular\u0131 takip taramas\u0131na tabi tuttu ve sonu\u00e7lar\u0131 kar\u015f\u0131la\u015ft\u0131rd\u0131. Operat\u00f6rlerin hi\u00e7birinin sorunlar\u0131 gidermek i\u00e7in herhangi bir \u00f6nlem almad\u0131\u011f\u0131n\u0131 tespit ettiler. Bu nedenle, yakla\u015f\u0131k bir y\u0131l bekledikten sonra, bilim adamlar\u0131 Ekim 2025\u2019te \u00e7al\u0131\u015fmalar\u0131n\u0131 kamuoyuna a\u00e7\u0131klamaya karar verdiler ve hem durdurma prosed\u00fcr\u00fcn\u00fc hem de operat\u00f6rlerin hayal k\u0131r\u0131c\u0131 tepkisini ayr\u0131nt\u0131l\u0131 olarak anlatt\u0131lar.<\/p>\n<p>Ara\u015ft\u0131rmac\u0131lar, sorun giderildikten veya standart 90 g\u00fcnl\u00fck a\u00e7\u0131klama bekleme s\u00fcresi dolduktan sonra etkilenen sistemler hakk\u0131nda bilgi yay\u0131nlad\u0131klar\u0131n\u0131 belirttiler. Baz\u0131 sistemler i\u00e7in, \u00e7al\u0131\u015fman\u0131n yay\u0131nland\u0131\u011f\u0131 tarihte bilgi if\u015fa yasa\u011f\u0131 hala y\u00fcr\u00fcrl\u00fckte oldu\u011fundan, bilim adamlar\u0131 izin verildi\u011fi \u00f6l\u00e7\u00fcde materyallerini g\u00fcncellemeyi planlamaktad\u0131rlar.<\/p>\n<p>Bildirimlere yan\u0131t vermeyenler aras\u0131nda \u015funlar yer al\u0131yordu: Ad\u0131 a\u00e7\u0131klanmayan kritik altyap\u0131 tesislerinin i\u015fletmecileri, ABD Silahl\u0131 Kuvvetleri, Meksika ordusu ve kolluk kuvvetleri ile Banorte, Telmex ve Banj\u00e9rcito.<\/p>\n<p>Wired taraf\u0131ndan olayla ilgili sorguland\u0131klar\u0131nda, <a href=\"https:\/\/www.wired.com\/story\/satellites-are-leaking-the-worlds-secrets-calls-texts-military-and-corporate-data\/\" target=\"_blank\" rel=\"noopener nofollow\">u\u00e7ak i\u00e7i Wi-Fi sa\u011flay\u0131c\u0131lar\u0131 belirsiz yan\u0131tlar verdi<\/a>. Panasonic Avionics Corporation s\u00f6zc\u00fcs\u00fc, ara\u015ft\u0131rmac\u0131lar\u0131n bulgular\u0131n\u0131n \u015firket taraf\u0131ndan memnuniyetle kar\u015f\u0131lad\u0131\u011f\u0131n\u0131, ancak kendilerine atfedilen baz\u0131 bildirimlerin yanl\u0131\u015f oldu\u011funu veya \u015firketin tutumunu yanl\u0131\u015f yans\u0131tt\u0131\u011f\u0131n\u0131 tespit ettiklerini belirtti. S\u00f6zc\u00fc, \u015firketin tam olarak neyi yanl\u0131\u015f buldu\u011funu belirtmedi. S\u00f6zc\u00fc, \u201cUydu ileti\u015fim sistemlerimiz, her kullan\u0131c\u0131 veri oturumu belirlenmi\u015f g\u00fcvenlik protokollerine uygun \u015fekilde tasarlanm\u0131\u015ft\u0131r\u201d dedi. Bu arada, SES (Intelsat\u2019\u0131n ana \u015firketi) s\u00f6zc\u00fcs\u00fc, sorumlulu\u011fu tamamen kullan\u0131c\u0131lara y\u00fckleyerek, \u201cGenel olarak, kullan\u0131c\u0131lar\u0131m\u0131z kendi \u00f6zel uygulamalar\u0131na veya ihtiya\u00e7lar\u0131na uygun olarak ileti\u015fimlerinde kullanacaklar\u0131 \u015fifrelemeyi kendileri se\u00e7erler\u201d diyerek, u\u00e7ak i\u00e7i Wi-Fi kullan\u0131m\u0131n\u0131 bir kafe veya oteldeki halka a\u00e7\u0131k bir a\u011fa ba\u011flanmakla e\u015fde\u011fer tuttu.<\/p>\n<div id=\"attachment_13982\" style=\"width: 658px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2025\/11\/17201810\/dont-look-up-satellite-eavesdropping-3.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-13982\" class=\"size-full wp-image-13982\" src=\"https:\/\/media.kasperskydaily.com\/wp-content\/uploads\/sites\/91\/2025\/11\/17201810\/dont-look-up-satellite-eavesdropping-3.jpg\" alt=\"SES s\u00f6zc\u00fcs\u00fcn\u00fcn Wired'a verdi\u011fi yan\u0131t ve Baltimore'daki Johns Hopkins \u00dcniversitesi bilgisayar bilimi do\u00e7enti Matthew Green'in yorumu\" width=\"648\" height=\"813\"><\/a><p id=\"caption-attachment-13982\" class=\"wp-caption-text\">SES s\u00f6zc\u00fcs\u00fcn\u00fcn Wired\u2019a verdi\u011fi yan\u0131t ve Baltimore\u2019daki Johns Hopkins \u00dcniversitesi bilgisayar bilimi do\u00e7enti Matthew Green\u2019in yorumu. <a href=\"https:\/\/x.com\/matthew_d_green\/status\/1977907848488140865\" target=\"_blank\" rel=\"noopener nofollow\">Kaynak<\/a><\/p><\/div>\n<p>Neyse ki, ba\u015fta telekom\u00fcnikasyon sekt\u00f6r\u00fc olmak \u00fczere bir\u00e7ok yerinde tepki de vard\u0131. T-Mobile, ara\u015ft\u0131rmac\u0131lar taraf\u0131ndan bilgilendirildikten sadece birka\u00e7 hafta sonra trafi\u011fini \u015fifreledi. AT&amp;T Meksika da hemen harekete ge\u00e7erek g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131 giderdi ve bunun Meksika\u2019daki bir uydu sa\u011flay\u0131c\u0131s\u0131n\u0131n baz\u0131 kulelerde yapt\u0131\u011f\u0131 yanl\u0131\u015f yap\u0131land\u0131rmadan kaynakland\u0131\u011f\u0131n\u0131 a\u00e7\u0131klad\u0131. Walmart-Meksika, Grupo Santander Mexico ve KPU Telecommunications, g\u00fcvenlik konusunu titizlikle ve \u00f6zenle ele ald\u0131.<\/p>\n<h2>Veriler neden \u015fifrelenmemi\u015fti?<\/h2>\n<p>Ara\u015ft\u0131rmac\u0131lara g\u00f6re, veri operat\u00f6rlerinin \u015fifrelemeyi \u00f6nlemek i\u00e7in teknik ve finansal olmak \u00fczere \u00e7e\u015fitli nedenleri vard\u0131.<\/p>\n<ul>\n<li>\u015eifreleme kullan\u0131lmas\u0131, transponder bant geni\u015fli\u011fi kapasitesinde %20-30 oran\u0131nda kayba neden olabilir.<\/li>\n<li>\u015eifreleme, \u00f6zellikle g\u00fcne\u015f pilleriyle \u00e7al\u0131\u015fan uzak terminaller i\u00e7in kritik \u00f6neme sahip olan g\u00fc\u00e7 t\u00fcketimini art\u0131r\u0131r.<\/li>\n<li>Acil servisler i\u00e7in VoIP gibi belirli trafik t\u00fcrlerinde, \u015fifreleme eksikli\u011fi, kritik durumlarda hata tolerans\u0131n\u0131 ve g\u00fcvenilirli\u011fi art\u0131rmak i\u00e7in kas\u0131tl\u0131 olarak al\u0131nan bir \u00f6nlemdir.<\/li>\n<li>A\u011f sa\u011flay\u0131c\u0131lar\u0131, \u015fifrelemeyi etkinle\u015ftirmenin mevcut altyap\u0131lar\u0131 i\u00e7indeki belirli a\u011f sorunlar\u0131n\u0131 gidermeyi imkans\u0131z hale getirdi\u011fini iddia ettiler. Sa\u011flay\u0131c\u0131lar bu iddian\u0131n ayr\u0131nt\u0131lar\u0131na de\u011finmediler.<\/li>\n<li>Ba\u011flant\u0131 katman\u0131 \u015fifrelemesini etkinle\u015ftirmek, terminallerde ve hub\u2019larda \u015fifreleme kullan\u0131m\u0131 i\u00e7in ek lisans \u00fccretleri gerektirebilir.<\/li>\n<\/ul>\n<h2>Neden baz\u0131 sat\u0131c\u0131lar ve kurulu\u015flar tepki g\u00f6stermedi?<\/h2>\n<p>B\u00fcy\u00fck olas\u0131l\u0131kla nas\u0131l cevap vereceklerini bilemediler. B\u00f6ylesine b\u00fcy\u00fck bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131n onlarca y\u0131l boyunca fark edilmeden kalmas\u0131 inan\u0131lmas\u0131 zor bir durum, bu nedenle sorunun kas\u0131tl\u0131 olarak \u00e7\u00f6z\u00fclmeden b\u0131rak\u0131lm\u0131\u015f olmas\u0131 muhtemel. Ara\u015ft\u0131rmac\u0131lar, sabit y\u00f6r\u00fcngeli uydulardaki veri \u015fifrelemesini denetlemekle sorumlu tek bir kurum bulunmad\u0131\u011f\u0131n\u0131 belirtiyorlar. Ele ge\u00e7irdikleri verilerde gizli bilgiler bulduklar\u0131 her seferinde, sorumlu taraf\u0131 belirlemek, ileti\u015fim kurmak ve g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131 if\u015fa etmek i\u00e7in b\u00fcy\u00fck \u00e7aba sarf etmek zorunda kald\u0131lar.<\/p>\n<p>Baz\u0131 uzmanlar, kullan\u0131lan dinleme tekniklerinin d\u00fcnya \u00e7ap\u0131nda trafik izleme i\u00e7in kullan\u0131labilece\u011fi g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda, bu ara\u015ft\u0131rman\u0131n medyadaki etkisini, gizlili\u011fi kald\u0131r\u0131lm\u0131\u015f Snowden ar\u015fivleriyle kar\u015f\u0131la\u015ft\u0131r\u0131yor. Bu vakay\u0131, otomotiv end\u00fcstrisindeki siber g\u00fcvenlik standartlar\u0131n\u0131 tamamen alt\u00fcst eden me\u015fhur <a href=\"https:\/\/www.kaspersky.com\/blog\/remote-car-hack\/9395\/\" target=\"_blank\" rel=\"noopener nofollow\">Jeep hack<\/a> olay\u0131na da benzetebiliriz.<\/p>\n<p>Bu sorunun tamamen basit bir ihmal ve hayalperestlikten kaynakland\u0131\u011f\u0131n\u0131, yani kimsenin \u201cyukar\u0131 bakmayaca\u011f\u0131\u201d varsay\u0131m\u0131na dayand\u0131\u011f\u0131n\u0131 g\u00f6z ard\u0131 edemeyiz. Veri operat\u00f6rleri uydu ileti\u015fimini, \u015fifrelemenin zorunlu bir standart olmad\u0131\u011f\u0131 g\u00fcvenilir, dahili bir a\u011f ba\u011flant\u0131s\u0131 olarak ele alm\u0131\u015f olabilirler.<\/p>\n<h2>Kullan\u0131c\u0131lar olarak biz ne yapabiliriz?<\/h2>\n<p>S\u0131radan kullan\u0131c\u0131lar i\u00e7in \u00f6neriler, g\u00fcvenli olmayan halka a\u00e7\u0131k Wi-Fi eri\u015fim noktalar\u0131n\u0131 kullan\u0131rken verdi\u011fimiz \u00f6nerilerle benzerdir. Her ne kadar cihazlar\u0131m\u0131zdan kaynaklanan internet trafi\u011fini kendimiz \u015fifreleyebilsek de, ayn\u0131 \u015fey h\u00fccresel ses verileri ve SMS mesajlar\u0131 i\u00e7in ge\u00e7erli de\u011fildir.<\/p>\n<ul>\n<li>Gizli \u00e7evrimi\u00e7i i\u015flemler i\u00e7in, durdurma anahtar\u0131 \u00f6zelli\u011fi bulunan g\u00fcvenilir bir VPN kullan\u0131n. Bu, VPN ba\u011flant\u0131s\u0131 kesildi\u011finde, t\u00fcm trafi\u011finizin \u015fifrelenmeden y\u00f6nlendirilmek yerine hemen engellenmesini sa\u011flar. VoIP aramalar\u0131 yaparken, \u00f6zellikle de u\u00e7ak i\u00e7i Wi-Fi veya di\u011fer halka a\u00e7\u0131k eri\u015fim noktalar\u0131n\u0131 kullan\u0131rken VPN\u2019inizi kullan\u0131n. Paranoyak tarafta iseniz, VPN\u2019inizi her zaman a\u00e7\u0131k tutun. <a href=\"https:\/\/www.kaspersky.com.tr\/vpn-secure-connection?icid=tr_kdailyplacehold_acq_ona_smm__onl_b2c_kasperskydaily_wpplaceholder____vpn___\" target=\"_blank\" rel=\"noopener\">Kaspersky VPN Secure Connection<\/a>, ihtiya\u00e7lar\u0131n\u0131z i\u00e7in etkili ve h\u0131zl\u0131 bir \u00e7\u00f6z\u00fcm olabilir.<\/li>\n<li>M\u00fcmk\u00fcn oldu\u011funca 5G a\u011flar\u0131n\u0131 kullan\u0131n, \u00e7\u00fcnk\u00fc bunlar daha y\u00fcksek \u015fifreleme standartlar\u0131na sahiptir. Ancak bunlar bile <a href=\"https:\/\/www.kaspersky.com\/blog\/5g-attack-downgrade-sni5gect\/54258\/\" target=\"_blank\" rel=\"noopener nofollow\">g\u00fcvenli olmayabilir<\/a>, bu nedenle hassas bilgileri metin mesajlar\u0131 veya standart cep telefonu g\u00f6r\u00fc\u015fmeleri yoluyla tart\u0131\u015fmaktan ka\u00e7\u0131n\u0131n.<\/li>\n<li>Signal, WhatsApp veya Threema gibi kullan\u0131c\u0131 cihazlar\u0131ndaki trafi\u011fe u\u00e7tan uca \u015fifreleme sa\u011flayan mesajla\u015fma uygulamalar\u0131n\u0131 kullan\u0131n.<\/li>\n<li>Uzak yerlerde h\u00fccresel hizmet kullan\u0131yorsan\u0131z, SMS sohbetlerini ve sesli aramalar\u0131 en aza indirin veya abone ekipman\u0131 d\u00fczeyinde \u015fifreleme entegre eden operat\u00f6rlerin hizmetlerini kullan\u0131n.<\/li>\n<\/ul>\n<blockquote><p>Telekom\u00fcnikasyon g\u00fcvenli\u011fi hakk\u0131nda bilmeniz gereken di\u011fer bilgiler:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.kaspersky.com\/blog\/5g-attack-downgrade-sni5gect\/54258\/\" target=\"_blank\" rel=\"noopener nofollow\">5G a\u011flar\u0131na y\u00f6nelik sald\u0131r\u0131lar: Silahlanma yar\u0131\u015f\u0131 devam ediyor<\/a><\/li>\n<li><a href=\"https:\/\/www.kaspersky.com.tr\/blog\/what-are-sms-blasters-and-how-to-protect-yourself\/13539\/\" target=\"_blank\" rel=\"noopener\">Kendinizi toplu SMS doland\u0131r\u0131c\u0131l\u0131klar\u0131ndan nas\u0131l korursunuz?<\/a><\/li>\n<li><a href=\"https:\/\/www.kaspersky.com.tr\/blog\/mesh-messengers\/13730\/\" target=\"_blank\" rel=\"noopener\">\u00c7evrimd\u0131\u015f\u0131 sohbet: Mesh mesajla\u015fma uygulamalar\u0131na genel bak\u0131\u015f<\/a><\/li>\n<li><a href=\"https:\/\/www.kaspersky.com.tr\/blog\/messengers-101-safety-and-privacy-advice\/13270\/\" target=\"_blank\" rel=\"noopener\">Mesajla\u015fma uygulamalar\u0131 101: G\u00fcvenlik ve gizlilik tavsiyeleri<\/a><\/li>\n<li><a href=\"https:\/\/www.kaspersky.com.tr\/blog\/what-makes-a-messenger-secure\/11600\/\" target=\"_blank\" rel=\"noopener\">Bir mesajla\u015fma uygulamas\u0131n\u0131 g\u00fcvenli k\u0131lan \u015fey nedir?<\/a><\/li>\n<\/ul>\n<\/blockquote>\n<input type=\"hidden\" class=\"category_for_banner\" value=\"vpn\">\n","protected":false},"excerpt":{"rendered":"<p>Ara\u015ft\u0131rmac\u0131lar, uydular arac\u0131l\u0131\u011f\u0131yla iletilen verilerin %50&#8217;sinin \u015fifrelenmedi\u011fini ke\u015ffettiler. Buna mobil aramalar\u0131n\u0131z ve mesajlar\u0131n\u0131z\u0131n yan\u0131 s\u0131ra bankac\u0131l\u0131k, h\u00fck\u00fcmet, askeri ve di\u011fer hassas bilgiler de dahildir. Bu nas\u0131l olabiliyor ve bu konuda ne yapabiliriz?<\/p>\n","protected":false},"author":2775,"featured_media":13976,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[994,1351],"tags":[2823,1869,667,500,790,2822,2821,794,2007,537,2820,2012],"class_list":{"0":"post-13975","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-privacy","8":"category-threats","9":"tag-4g","10":"tag-5g","11":"tag-arastirma","12":"tag-gizlilik","13":"tag-guvenlik-aciklari","14":"tag-hucresel","15":"tag-hucresel-baglanti","16":"tag-sifreleme","17":"tag-sizintilar","18":"tag-tehditler","19":"tag-uydu-baglantisi","20":"tag-uydular"},"hreflang":[{"hreflang":"tr","url":"https:\/\/www.kaspersky.com.tr\/blog\/dont-look-up-satellite-eavesdropping\/13975\/"},{"hreflang":"en-in","url":"https:\/\/www.kaspersky.co.in\/blog\/dont-look-up-satellite-eavesdropping\/29792\/"},{"hreflang":"en-ae","url":"https:\/\/me-en.kaspersky.com\/blog\/dont-look-up-satellite-eavesdropping\/24861\/"},{"hreflang":"en-gb","url":"https:\/\/www.kaspersky.co.uk\/blog\/dont-look-up-satellite-eavesdropping\/29681\/"},{"hreflang":"es-mx","url":"https:\/\/latam.kaspersky.com\/blog\/dont-look-up-satellite-eavesdropping-2\/28719\/"},{"hreflang":"es","url":"https:\/\/www.kaspersky.es\/blog\/dont-look-up-satellite-eavesdropping\/31598\/"},{"hreflang":"it","url":"https:\/\/www.kaspersky.it\/blog\/dont-look-up-satellite-eavesdropping\/30262\/"},{"hreflang":"ru","url":"https:\/\/www.kaspersky.ru\/blog\/dont-look-up-satellite-eavesdropping\/40821\/"},{"hreflang":"x-default","url":"https:\/\/www.kaspersky.com\/blog\/dont-look-up-satellite-eavesdropping\/54709\/"},{"hreflang":"fr","url":"https:\/\/www.kaspersky.fr\/blog\/dont-look-up-satellite-eavesdropping\/23365\/"},{"hreflang":"pt-br","url":"https:\/\/www.kaspersky.com.br\/blog\/dont-look-up-satellite-eavesdropping\/24480\/"},{"hreflang":"de","url":"https:\/\/www.kaspersky.de\/blog\/dont-look-up-satellite-eavesdropping\/32884\/"},{"hreflang":"ru-kz","url":"https:\/\/blog.kaspersky.kz\/dont-look-up-satellite-eavesdropping\/29909\/"},{"hreflang":"en-au","url":"https:\/\/www.kaspersky.com.au\/blog\/dont-look-up-satellite-eavesdropping\/35628\/"},{"hreflang":"en-za","url":"https:\/\/www.kaspersky.co.za\/blog\/dont-look-up-satellite-eavesdropping\/35251\/"}],"acf":[],"banners":"","maintag":{"url":"https:\/\/www.kaspersky.com.tr\/blog\/tag\/uydular\/","name":"uydular"},"_links":{"self":[{"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/posts\/13975","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/users\/2775"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=13975"}],"version-history":[{"count":4,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/posts\/13975\/revisions"}],"predecessor-version":[{"id":13979,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/posts\/13975\/revisions\/13979"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/media\/13976"}],"wp:attachment":[{"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=13975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=13975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kaspersky.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=13975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}