SIP Brute Force Attacks Escalate Over Halloween Weekend.

Monday, 1. November 2010

SIP brute force attacks escalate over Halloween weekend.

Looks like the bad guys were up to no good again this weekend. SIP based PBX operators reported a huge increase in bogus registration attempts against their systems over the Halloween weekend. Our hosted PBX farm experienced this increase first hand. Logs showed an attack from a new and unique IP address about every minute. At the end of the weekend, over 1300 unique IP addresses were logged.

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