Moved back to the Consumer section. SiteAdvisor Enterprise is for users with the Business version of SA installed. That doesn't seem to be applicable here.
@AlexanderBuckland : this is primarily a user forum. SiteAdvisor team members do check the posts in the Consumer area, so you may get noticed.
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Please do not hijack old threads. One thread is enough to put your case.
As for SiteAdvisor and Facebook :
First, the use of short URLs is problematical when it comes to trying to get to the bottom of a problem like this. I would rather let the experts on the SiteAdvisor team deal with this.
Second, Facebook is open to scams, fraud and malware. It may well be true that some Facebook links are unsafe. Right now the Kelihos botnet controllers are rebuilding their botnet, recently taken down by Microsoft, via Facebook - so I'm not going to say that SiteAdvisor is issuing false positives.
And third, safety ratings are adjusted by TrustedSource, which works pretty much in real-time : the initial SiteAdvisor rating of a site is given after a series of controlled tests but may be altered at any time by TrustedSource.
Update, 11:07 a.m. ET: Multiple sources are now reporting that within hours of the Khelios.B takedown, Khelios.C was compiled and launched. It appears to be spreading via Facebook.
Update, Mar. 29, 5:47 p.m. ET: Facebook released the following statement about reports that Khelios was spreading via the social network.
“Kelihos is not spreading on Facebook, but is being dropped by a separate botnet, Fifesoc, which we have been monitoring for several weeks. We have been proactively remediating any infected users in our malware checkpoint, and users can detect and remove the virus themselves by running an updated anti-virus product.
We are in active discussion with researchers attempting to eliminate the threat, and have been largely successful at blocking message spam being sent by this botnet since it was first detected. We are still investigating the issue further, and will continuing iterating on our systems until Facebook has completely mitigated this threat. As of yet, the campaign has been largely ineffective at spreading on Facebook and only an extremely small percentage of users have been infected. Fifesoc also spreads through other social media websites, and as always, we encourage people to not click on suspicious links and report any spam they observe on the site. You can find more ways to protect yourself on Facebook here: http://www.facebook.com/security