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Evolution von Ransomware: Wenn eine ungepatchte Maschine Tausende infizieren kann

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Der Ausbruch der Petya-Ransomware diese Woche ist das jüngste Ereignis in einer Ära der Ransomware, die vor einigen Wochen durch den WannaCry-Ausbruch angeführt wurde. Aber Petya hat die Gefahr noch einmal verschärft, indem es eine Methode nutzt, um eigentlich gepatchte Maschinen zu infizieren.

Ransomware war ursprünglich darauf ausgelegt, Tausende von einzelnen Systemen zu infizieren und gegen Bezahlung den Nutzern wieder Zugriff zu gewähren. Die Auswirkungen solcher Ransomware-Kampagnen waren immer eingeschränkt, weil die Verteilungsmethode - Phishing-E-Mails - immer Zeit brauchte, um an Dynamik zu gewinnen.

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