Commenting on news reports that an Indian company has revealed it can `tumble' and clone the credentials of mobile phone SIM cards over the airwaves - apparently because certain Indian GSM carriers are using the A5/0 minimal encryption system on their cellular networks - Cryptzone says this raises, once again, the issue that GSM voice calls can no longer be considered secure.
- YVONNE ESKENZI
- InfoSecurity
- Posted On





