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CAPTCHA Gmail złamany

W styczniu podaliśmy informację, że został złamany CAPTCHA od Yahoo! Tym razem ofiarą padł kolejny wielki serwis pocztowy – Gmail.

CAPTCHA jest to rodzaj techniki stosowany do zabezpieczania formularzy na stronach WWW. Ma ona uniemożliwić botom zakładanie milionów kont i wykorzystywanie ich do rozsyłania niechcianej poczty.

22 lutego Websense Security Labs podało, że Gmail padł ofiarą spamerów. Według nich są cztery główne powody, dla których poczta od Google jest atrakcyjna.

  • Dostęp do szerokiej gamy usług dostarczanych przez Google
  • Rzadko się zdarza, że domena Google wciągana jest na czarną listę adresów e-mailowych
  • Darmowe konta
  • Trudno jest namierzyć spamerów, ponieważ codziennie z usług Google korzystają miliony użytkowników na całym świecie

W przypadku Yahoo! do złamania został wykorzystany program MATLAB. Jak zaobserwowało Websense, w przypadku konta Gmail potrzebne są aż dwa boty które współpracują ze sobą w procesie zakładania nowych kont.

W serwisie Websense możemy poznać w jaki sposób spamerzy dostają możliwość założenia konta przy użyciu botów. Cały proces jest zilustrowany odpowiednimi zrzutami ekranu.



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60 odpowiedzi na „CAPTCHA Gmail złamany”
  1. Awatar Gf
    Gf

    a jest taki bot dla Microsoft hotmail?

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    1. Awatar Jarek
      Jarek

      Tak, nazywa się Linux 😛

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  2. Awatar grizz
    grizz

    Poprawią raczej szybko ;p Na spamowanie sobie nie pozwolą.

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  3. Awatar blablon
    blablon

    I tak zawsze niezawodnym rozwiązaniem łamiącym CAPTCHA będzie Human Computation + ludzkie żądze…

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  4. Awatar kicaj
    kicaj

    i tak google pozwala stworzyc tylko 10 kont dziennie, wiec tacy spamerzy to sobie za duzo nie zrobia.

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    1. Awatar Moarc
      Moarc

      Ale to już 3650 kont rocznie :p

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