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Facebook users offered free spam 'firewall'
If a bad post is detected, the system logs and informs the user who makes the final decision. As with the original Defensio system - acquired a year ago when Websense bought the company of the same name - it can also monitor web pages for rogue posting, pre-emptively blocking those it deems unwanted.
"We are seeing real threats to Facebook such as Koobface," said Websense senior research manager, Carl Leonard.
According to Leonard, an advantage of Web 2.0 monitoring was that it gave security companies a way of following criminals inside the otherwise closed world of social media, something that many security vendors can't yet do. "We can have visibility into threats on these social networks, and have a fantastic feed of information that can benefit all our customers," he said.
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