Control what you let in

Neglecting to watch what you allow into your network can create unnecessary threats, says Lance Braunstein

About a year ago, I sat down with my incident response team to discuss our progress in managing patch and virus signature updates. We had been plagued by a series of worm and virus outbreaks, but were lucky that impact to the business had been fairly low, but there was still some impact.

The root of the problem was that since we could only achieve about 97 percent coverage on patches and virus signatures, at any given time, we would have a number of vulnerable systems. At least, that was the consensus view in the meeting.

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