The ZeroNights security conference has quickly grown up to one of the biggest security events in Russia.
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During the last days, several high profile domains have been defaced including domains from two prominent security companies. In addition to these, high profile domains such as alexa.com, whatsapp.com and redtube.com were also defaced. From our quick analysis It does not seem that the actual webserver has been compromised, the most possible attack vector was that the DNS have been hijacked.