Exploitation of data streams authorized by a network access control system for arbitrary data transfers: tunneling and covert channels over the HTTP protocol
by Alex Dyatlov and Simon Castro - Thursday, 3 July 2003.
This paper presents various concepts to researchers and NACS administrators to explain that each time an administrator thinks he only allows the HTTP protocol to get in and out of his internal network, he also allows arbitrary data transfers through his secured perimeter.

Download the paper in TXT format here.

Spotlight

Using Hollywood to improve your security program

Posted on 29 July 2014.  |  Tripwire CTO Dwayne Melancon spends a lot of time on airplanes, and ends up watching a lot of movies. Some of his favorite movies are adventures, spy stuff, and cunning heist movies. A lot of these movies provide great lessons that we can apply to information security.


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