Security Basics mailing list archives

RE: POP3 passwords


From: Chris Merkel <chrism () geo-synthetics com>
Date: Mon, 20 Oct 2003 11:09:48 -0500

Why has it not been a bigger problem that POP3 passwords are 
unencrypted when sent over the public Internet? Seems like 
they would be pretty easy for a miscreant to steal.

In order to sniff traffic, an attacker would have to locate themselves on
the segment where the traffic is. With the prevalence of switched
networking, the attacker would have to compromise the machine or device over
which the traffic passes.

Essentially, for this to work, an attacker would have to compromise the POP3
server or client. Given the fact that most POP3 clients are Windows-based,
this would be the logical point of attack. The attack would most likely be a
virus or worm.

Finally, the real reason, IMHO, is because reading people's email is
painfully boring and time consuming. Wading through all the spam, chain
letters and inane chatter in one's own inbox is bad enough.

:-)


Chris Merkel
Sysadmin
Geo-Synthetics, Inc.

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