Yahoo Beefs Up Spam Defense System

Paul Lilly

Yahoo "Anti-Spam Czar" Mark Risher says the search company has begun taking several steps toward cutting back on the amount of spam Yahoo email account holders receive.

"Recently, Yahoo!’s anti-spam team has been using a 'supercomputer; consisting of thousands of individual PCs — part of our open source Hadoop project — to help detect spammer," Risher wrot e on the Yahoo Mail blog. "We’re teamed up with several top universities on this research, looking for more ways to find and block the bad guys even faster, before they can do their damage."

Risher went on to say Yahoo has signed a deal with Abaca, a startup company who ambitiously promises "a minimum of 99 percent accuracy" when it comes to detecting spam. Yahoo has also begun using Return Path technology, which lets legitimate companies know when their emails have been marked as spam.

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