The National Security Agency can easily defeat the world’s most widely used cellphone encryption, a capability that means the agency can decode most of the billions of calls and texts that travel over ...

A fast and relatively simple attack on second generation digital mobile phone communications highlights the need to update security on older mobile networks. A fast and relatively simple attack on ...

[Karsten Nohl], with a group of security researchers has broken the A5/1 Stream Cipher behind GSM. Their project web site discusses their work and provides slides(pdf) presented at 26C3. A5/1 has had ...

It has been long argued that the A5/1 encryption standard used to secure GSM traffic from eavesdropping is, in fact, insecure, and California based security firm H4RDW4RE is pioneering an effort to ...