Monthly Archives: October 2012

A Security Analysis of Two Satphone Standards

Posted on October 15, 2012 by thorsten.holz

There is a rich body of work related to the security aspects of cellular mobile phones, in particular with respect to the GSM and UMTS systems. Similarly to GSM, there exist two standards for satellite telephony called GMR-1 and GMR2. These two standards … Continue reading →

Posted in Web Security | Leave a comment

SMTP Dialects, or how to detect bots by looking at SMTP conversations

Posted on October 3, 2012 by gianlucastringhini

It is somewhat surprising that, in 2012, we are still struggling fighting spam. In fact, any victory we score against botnets is just temporary, and the spam levels raise again after some time. As an example, the amount of spam … Continue reading →

Posted in Malware Analysis and Detection | Leave a comment