Scanning for HTTP and Instant Messaging Malware Very Similar to Scanning for Email Malware–But Not Quite

There's a growing convergence between scanning for email malware, and scanning for web and instant messaging malware. Eg, you need to scan both for virus-infected file transfers, spyware downloads, and traffic that has inappropriate content.

Clearly, a lot of the technology that applies to the one channel, should apply to the other channel. And you'd like to have a common administration and control tools.

Not so simple. One very big difference is that while a five second scanning delay doesn't matter for email, it matters a whole lot for web and instant messaging scanning. Web and IM scanning, and policy control, has to be done extremely quickly.

... David Ferris, with thanks to ScanSafe's Roy Tuvey

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