According to security expert Michael Cobb, the likelihood of your enterprise being compromised by a botnet is not a question of if, but when. Cobb discusses how spammers use botnets to corrupt enterprise systems, and offers advice on how security pros can thwart their attacks.
November 2008 saw spam dropping significantly due to the shutdown of web-hosting company McColo, which was allegedly hosting a significant number of botnet command-and-control systems. But recent spikes in spam volume indicate that spam activity is back in the works.
Malicious code activity continued to grow at a record pace, primarily targeting confidential information of computer users. An organized underground economy supports the sale of the stolen data.
Security pros should address social engineering attacks with end users, helping them identify the tactic and possibly have an impact on botnet viability.
Click Forensics Inc. researches have found new botnet Bahama that avoids search engines and is responsible for multiple click frauds.
Botnet masters use IRC or peer-to-peer protocol to send orders to zombie computers to store or steal data.
The number of infected computers in the currently inactive Conficker botnet has reached over 7 million as monitored by the ShadowServer Foundation. Investigators are still on the lookout for the dormant worm's authors.
A recent survey by Arbor Networks find that over a third of security professionals consider the possibility of a large scale and sophisticated botnet attack as a major threat to security for 2010.
Security researches have discovered a possible hacker cache site where stolen data from Zeus infected systems are being stored.
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Knowledge Central
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