Facebook will check every web link its users click on for computer viruses & other dangers as part of efforts to improve the security of the world's largest social network.
From today, hundreds of millions of outbound links every day will be passed through a system provided by the web security firm Websense.
It will effectively visit pages on users' behalf, & apply a series of tests for Trojans, phishing attempts, botnets & other threats.
If the system does not detect a problem with a link, the user will be allowed to visit the page as normal, without any sign that it has been checked. When a threat is detected, however, Facebook will present a warning with links to more information. If the user wants to proceed anyway, they will be allowed.
"Facebook is a big target for criminals online," said Spencer Parker of Websense.
"We'll be protecting all 750 million of its users."
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