Defences tested by virus attacks
Research by security firm Qualys shows that code to exploit 80% of vulnerabilities appears within 60 days of the announcement about that weakness being made.
Often though firms do not even have that amount of time to react.
For instance, it took virus writers only 32 days to produce the Blaster Windows worm after a patch was announced for it.
The Sasser Windows worm, which hit computers this week, was put together only a couple of weeks after the announcement of a patch for the loophole was put online by Microsoft.
At the BBC.
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- Review: Viruses Revealed (28 April 2003)