{"id":12582,"date":"2024-07-24T19:02:58","date_gmt":"2024-07-24T16:02:58","guid":{"rendered":"https:\/\/www.kaspersky.com.tr\/blog\/?p=12582"},"modified":"2024-07-24T19:02:58","modified_gmt":"2024-07-24T16:02:58","slug":"how-safe-is-wi-fi-in-paris","status":"publish","type":"post","link":"https:\/\/www.kaspersky.com.tr\/blog\/how-safe-is-wi-fi-in-paris\/12582\/","title":{"rendered":"Paris’te Wi-Fi ne kadar g\u00fcvenli?"},"content":{"rendered":"

Pandemi k\u0131s\u0131tlamalar\u0131n\u0131n kald\u0131r\u0131lmas\u0131ndan bu yana d\u00fcnyan\u0131n en b\u00fcy\u00fck spor etkinli\u011fi olan Paris Olimpiyatlar\u0131\u2019n\u0131n Paris\u2019e 15 milyondan fazla turist <\/a>\u00e7ekmesi bekleniyor; bu da doland\u0131r\u0131c\u0131lar\u0131n \u015fimdiden haz\u0131rl\u0131k yapmaya ba\u015flad\u0131\u011f\u0131 bir durum. Neredeyse kesin olarak bu turistlerin\/izleyicilerin her biri internete eri\u015fmeye ihtiya\u00e7 duyacak ve i\u015fte bu noktada halka a\u00e7\u0131k Wi-Fi noktalar\u0131ndan faydalanacaklar. Ancak bu yakla\u015f\u0131m\u0131n kendi i\u00e7inde riskleri var zira siber su\u00e7lular verilerinizi ele ge\u00e7irmek i\u00e7in halka a\u00e7\u0131k eri\u015fim noktalar\u0131n\u0131 kullanabilirler.<\/p>\n

Olimpiyatlar \u00f6ncesinde ara\u015ft\u0131rmac\u0131lar\u0131m\u0131z, ziyaret\u00e7ilerin kullanabilece\u011fi a\u00e7\u0131k Wi-Fi a\u011flar\u0131n\u0131n g\u00fcvenli\u011fini haritaland\u0131rd\u0131 ve de\u011ferlendirdi. Paris\u2019teki yakla\u015f\u0131k 25.000 halka a\u00e7\u0131k Wi-Fi eri\u015fim noktas\u0131 analiz edildi ve her d\u00f6rt noktadan birinin<\/strong> g\u00fcvensiz oldu\u011fu tespit edildi ki bu kullan\u0131c\u0131lar\u0131n, ki\u015fisel ve bankac\u0131l\u0131k verilerinin \u00e7al\u0131nmas\u0131na kar\u015f\u0131 savunmas\u0131z kalabilecekleri anlam\u0131na geliyor. Paris Olimpiyatlar\u0131 s\u0131ras\u0131nda Wi-Fi'\u0131 nas\u0131l g\u00fcvenle kullanaca\u011f\u0131n\u0131z\u0131<\/a>\u00a0\u00f6\u011frenmek i\u00e7in okumaya devam edin\u2026<\/p>\n

\"Paris'te<\/a>

Paris\u2019te incelenen t\u00fcm halka a\u00e7\u0131k eri\u015fim noktalar\u0131n\u0131n \u0131s\u0131 haritas\u0131. K\u0131rm\u0131z\u0131, eri\u015fim noktalar\u0131n\u0131n y\u00fcksek yo\u011funlukta oldu\u011funu, ye\u015fil ise d\u00fc\u015f\u00fck yo\u011funlu\u011fu g\u00f6sterir.<\/p><\/div>\n

\u00d6\u011frendiklerimiz<\/p>\n

Paris\u2019teki pop\u00fcler yerler ve Olimpiyat mekanlar\u0131ndaki 24.766 ayr\u0131 Wi-Fi eri\u015fim noktas\u0131ndan<\/strong> toplam 47.891 sinyal kayd\u0131<\/strong> tespit ettik. \u0130ncelenen Wi-Fi eri\u015fim noktalar\u0131n\u0131n yakla\u015f\u0131k %25\u2019inin (6083)<\/strong> zay\u0131f veya hi\u00e7 kullan\u0131lmayan \u015fifreleme, eski cihaz ve protokollerin kullan\u0131m\u0131 veya yanl\u0131\u015f yap\u0131land\u0131rma gibi ciddi g\u00fcvenlik zay\u0131fl\u0131klar\u0131 y\u00fcz\u00fcnden; dinleme, \u015fifre \u00e7\u00f6zme veya \u00e7\u00f6kertme sald\u0131r\u0131lar\u0131na kar\u015f\u0131 savunmas\u0131z oldu\u011fu ortaya \u00e7\u0131kt\u0131.<\/p>\n

Bu eri\u015fim noktalar\u0131n\u0131n hepsi yoldan ge\u00e7en herkesin eri\u015fimine a\u00e7\u0131k de\u011fildir; baz\u0131lar\u0131na ba\u011flanmak i\u00e7in bir \u015fifre veya PIN girmeniz gerekir. Bununla birlikte, genel olarak, hem herhangi bir korumas\u0131 olmayan tamamen a\u00e7\u0131k a\u011flar\u0131 (3176<\/strong> tane bulduk) hem de hatal\u0131 yap\u0131land\u0131r\u0131lm\u0131\u015f veya g\u00fcvenli\u011fi zay\u0131f protokoller kullanan ve yayg\u0131n olarak bilinen algoritmalar kullan\u0131larak kolayca k\u0131r\u0131labilenleri g\u00fcvensiz olarak s\u0131n\u0131fland\u0131rd\u0131k.<\/p>\n

Bu, kullan\u0131c\u0131lar\u0131n bu t\u00fcr eri\u015fim noktalar\u0131n\u0131 kullan\u0131rken b\u00fcy\u00fck risk alt\u0131nda olduklar\u0131 anlam\u0131na gelir: g\u00fcvenilir bir koruma<\/a>\u00a0olmadan siber su\u00e7lular parolalar\u0131, bankac\u0131l\u0131k verilerini ve kullan\u0131c\u0131lar\u0131n di\u011fer ki\u015fisel bilgilerini \u00e7alabilir.<\/p>\n

Ka\u00e7 Wi-Fi noktas\u0131 WPS ve WPA3 kullan\u0131yor?<\/h2>\n

Paris\u2019te inceledi\u011fimiz halka a\u00e7\u0131k Wi-Fi eri\u015fim noktalar\u0131n\u0131n yakla\u015f\u0131k %20\u2019si (4864)<\/strong>, g\u00fcncelli\u011fini yitirmi\u015f ve kolayca g\u00fcvenli\u011fi a\u015f\u0131labilen WPS protokol\u00fcn\u00fc<\/a> kullan\u0131yor. Bu da onlar\u0131 veri kayb\u0131na yol a\u00e7abilecek WPS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 hassas hale getiriyor.<\/p>\n

Ve t\u00fcm eri\u015fim noktalar\u0131n\u0131n sadece<\/strong> %6\u2019s\u0131 (1373)<\/strong>; deneme yan\u0131lma sald\u0131r\u0131lar\u0131na kar\u015f\u0131 yerle\u015fik koruma, bireysel veri \u015fifreleme ve bu protokolle g\u00fcvence alt\u0131na al\u0131nan Wi-Fi eri\u015fim noktalar\u0131n\u0131 g\u00fcvenli k\u0131lan di\u011fer \u00f6zelliklere sahip olan modern WPA3 g\u00fcvenlik protokol\u00fc ile korunuyor.<\/p>\n

Bu sonu\u00e7 ger\u00e7ek bir hayal k\u0131r\u0131kl\u0131\u011f\u0131: Tespit etti\u011fimiz ba\u015fl\u0131ca sorunlar; ya eri\u015fim noktalar\u0131n\u0131n hatal\u0131 yap\u0131land\u0131r\u0131lmas\u0131 (ki bu onlar\u0131 sald\u0131r\u0131lara kar\u015f\u0131 savunmas\u0131z hale getiriyor) ya da modern g\u00fcvenlik standartlar\u0131n\u0131 ve protokollerini desteklemeyen g\u00fcncelli\u011fini yitirmi\u015f ekipmanlar\u0131n kullan\u0131lmas\u0131.<\/p>\n

Nas\u0131l ara\u015ft\u0131rma yapt\u0131k?<\/h2>\n

Kaspersky\u2019nin GReAT (Global Ara\u015ft\u0131rma ve Analiz Ekibi) uzmanlar\u0131, Olimpiyat seyircilerinin ziyaret etmesi muhtemel olan \u015fehirdeki en pop\u00fcler yerleri incelemek i\u00e7in birka\u00e7 g\u00fcn boyunca ofisteki sandalyelerini banklar, kafeler, parklar ve Paris\u2019teki di\u011fer kamusal alanlarla de\u011fi\u015ftirdi:<\/p>\n