The US ban on taking any electronic device larger than a smartphone into the cabin of an airplane was prompted by the theft of X-ray equipment used for screening baggage, a technology expert, who is now a civil rights advocate, claims.

Unknown hackers are taking advantage of the current terrorist scare to encourage users to open emails containing malware that can attack their PCs.

The current spate of Islamist attacks has moved to the cybersphere. A YouTube and Twitter account belonging to the US military have been attacked by a group calling itself the ‘CyberCaliphate’.