It's mostly bad news for network administrators at this year's Black Hat Security Briefings: Increasingly, attackers are using better tools to find vulnerabilities quickly, exploit flaws and hide their attacks.

While some security experts point to zero-day exploits -- code that takes advantage of previously unknown vulnerabilities -- as a growing threat, a greater number are stressing the danger of online attackers' ability to quickly turn around attack code by analysing the patch issued to fix the problem.

By Robert Lemos at ZDNet.

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