Researchers Crack Satellite Phone Ciphers

Researchers at a German university have broken the encryption of the two main standards used to protect calls from satellite phones, giving them the ability to intercept conversations that are meant to be private. The attacks on the GMR-1 and GMR-2 standards are thought to be the first such work...

Researchers Show Method to Decrypt GPRS Traffic

A security researcher known for his work on cracking cryptographic ciphers on mobile networks has found a method that enables him to capture and decrypt data traffic on virtually any GPRS network. The attack, developed by Karsten Nohl, enables him to eavesdrop on traffic within a radius of about...

Four Questions for Bruce Schneier on the GSM Cipher Crack

Math is hard and cryptography is even harder. So in light of the news that another of the ciphers used to secure traffic on 3G GSM networks has been cracked, we turned to mathematician and cryptographer Bruce Schneier to explain the attack and its ramifications. So here are Schneier’s answer to a...