Facebook has set up an email account to collect info on phishing attacks. If you receive a suspicious email message, Facebook asks you to forward it to phish@fb.com.

"This new reporting channel will compliment internal systems we have in place to detect phishing sites attempting to steal Facebook user login information," Facebook describing the effort. "The internal systems notify our team, so we can gather information on the attack, take the phishing sites offline, and notify users."

Security has become a big deal for Facebook in recent months. In July, to automatically alert users whose computers were infected with malware, and to lock their Facebook accounts until the infected computers were properly cleaned.

, Facebook partnered with security and antivirus companies to offer free six-month trial downloads of antivirus software.

Facebook wants to protect its users as well as itself. Attackers spread malware via social networking sites, and there is evidence that the number of attacks targeting Facebook and other social networking sites is increasing.