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Letter: Letter

Published 24 April 1999

From Geert Jan van Oldenborgh

I sometimes wonder whether there is much difference between virus and
antivirus software.

In response to the Melissa scare, a well-known antivirus program was
installed on our new Exchange mailserver, which should protect users from e-mail
viruses. Its first action was to send a big file (a “driver update”) to all 600
users—by e-mail. This totally blocked the e-mail system for about a day,
with incoming mail lost for part of this period. The antivirus program was
removed, and the system works fine again. A clear case of shepherds turning
against their sheep?

oldenbor@knmi.nl

Issue no. 2183 published 24 April 1999

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