Facebook bulks up defenses with a third anti-virus engine

Facebook is adding a third antivirus engine to its service to help catch malicious content in the News Feed and messages sent by users.

Technology from Eset, based in Slovakia, will be added to a security mix that already includes F-Secure and Trend Micro, which Facebook partnered with in May, wrote Chetan Gowda, a software engineer with the company’s Site Integrity team.

Antivirus programs have varying degrees of effectiveness, depending on whether they have up-to-date detection signatures and if other behavior-based detection techniques can pick up mischief.

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