Every GSM phone needs a SIM card, and you'd think such a ubiquitous standard would be immune to any hijack attempts. Evidently not, as Karsten Nohl of Security Research Labs -- who found a hole in GSM ...

Major wireless carriers have fixed a bug that could have allowed criminals to hack into hundreds of millions of cell phones, says a security expert who exposed the flaw. Cryptographer Karsten Nohl of ...

Mr Nohl said one in eight Sim cards might be vulnerable A flaw with mobile phones' Sim card technology is putting millions of people at risk of being spied on and robbed, according to a leading ...

GCHQ and the US National Security Agency hacked into the internal network of the largest makers of mobile phone SIM cards in the world in order to steal encryption keys and compromise the security of ...

Dutch-based SIM card manufacturer Gemalto, which provides SIM cards to 450 mobile phone operators in 85 countries around the world, has played down reports its products are compromised after reports ...

A security expert believes up to 750 million cell phones could be easy targets for remote hackers due to a subscriber identity module, or SIM, card security flaw. Security Research Labs discovered ...

Dutch-based SIM card manufacturer Gemalto, which provides SIM cards to 450 mobile phone operators in 85 countries around the world, has had its network breached by the NSA and GCHQ Getty Images The ...

Gemalto denies that billions of Sim cards could have been compromised by the attacks The Dutch Sim card maker at the centre of NSA-GCHQ hacking claims has said it believes that the US and UK cyberspy ...

A flaw with mobile phones' Sim card technology is putting millions of people at risk of being spied on and robbed, according to a leading security expert. Karsten Nohl has said he has found a way to ...