FBI chief wants 'backdoor access' to encrypted communications to fight Isis

Experts warn that ‘magical thinking’ of a security flaw only the US government could exploit could easily be utilized by hackers, foreign spies and terroristsThe director of the Federal Bureau of Investigation has warned US senators that the threat from the Islamic State merits a “debate” about limiting commercial encryption – the linchpin of digital security – despite a growing chorus of technical experts who say that undermining encryption would prove an enormous boon for hackers,