[unisog] Phishing targeting University Admissions

Joseph Brennan brennan at columbia.edu
Wed Jun 16 15:26:26 GMT 2004

--On Wednesday, June 16, 2004 9:44 AM -0500 Keith Schoenefeld 
<schoenk at utulsa.edu> wrote:

>> Blocking attachments by extension saves us about $30,000 worth of
>> anti-virus software licensing and additional hardware to process
>> scanning.  That sounds good to me.
> How exactly did you come up with those numbers?  Are you saying that you
> don't license antivirus software at all, or just don't do it on the mail
> server?

That's a vendor quote a few weeks ago for mail server anti-virus
software, plus a guess at the cost of additional hardware to do
the additional cpu chomping on all those attachments.  This is
for a 60,000 user system with 1,000,000 messages submitted a day,
of which 45% or more is spam or virus nowadays.

ClamAV is of course an alternative to that software fee.  Maybe
I am still reeling from that price quote.  The thing is, it won't
stop the brand-new rapidly spreading virus.  To me what it is
good for is preventing us delivering a lot of useless mail with
the message about an attachment having been removed.  That does
have value.  The problem is AV is not generalized.  Updates are
a nice revenue stream but not really the answer to the general

Joseph Brennan
Academic Technologies Group, Academic Information Systems (AcIS)
Columbia University in the City of New York

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