Threat Level: green Handler on Duty: Xavier Mertens

SANS ISC: Bad Trend Micro signature SANS ISC InfoSec Forums

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Bad Trend Micro signature

Luke, Charles, Paul and others reported a bad signature update of Trend Micro today. The effects seem to vary from blocking IBM's Domino to blocking the entire collection of machines.

The bad signature seems to be revision 4.995. Version 4.997 is supposed to not exhibit the problem any longer.

I've not found an official or public word from Trend Micro yet.

Swa Frantzen -- Gorilla Security


760 Posts
Feb 13th 2008
Its night an most of our PCs are off, but I did notice that over night there have been 2 updates to the pattern file. This is unusual as I was not expecting any updates last night. This is going to mess up my low bandwidth site updates.

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