Spam Botnets Are Declining, But Likely Not For Long

The size and volume of spam botnets are down over the last
year, and much of this can be attributed to the effectiveness of IP-based blacklists. However,
this defense method is no panacea as scammers have found new methods like reputation
hijacking to circumvent these roadblocks, and bots continue to extend their
reach by piggybacking on existing worms and viruses.

Top Botnets By Name, Size And Scope

Botnets – apart from inundating out inboxes with spam – can also be
used for ulterior purposes such as executing DDoS attacks or hosting
websites, so understanding the “modus operandi” and size behind the
well-known names is a good idea; Here’s a top ten botnet list. Read the full article. [Help Net Security]

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