Experts sceptical over whether the US was behind North Korea's internet blackout
Kim Kardashian, Avril Lavigne and Mary-Kate Olsen all targeted in second batch of private images
Hacker claims responsibility for coordinating team which stole nude photos of 101 celebrities
From Facebook to the FBI, facial recognition software is everywhere – but is it a 'critical threat' to our privacy?
Agencies don't need 'concrete facts' to label individuals terrorists – so how are people watchlisted?
Fans of the Insane Clown Posse claim they have been harassed by police after FBI called them a 'gang'
Security advice site remains offline 24 hours after revelation of Gameover Zeus cyber threat
The revelation that Obama's friend Sharpton was an FBI snitch in the 1980s has the ring of truth
US prosecutors say alleged 'dark web' kingpin paid $730,000 in Bitcoin for 'hits' on six men
Alleged owner Ross Ulbricht held on charges including trafficking and trying to hire hitman
Student allegedly hijacked girls' webcams to take nude photos and then blackmail them for more
Reece Elliott sentenced to 28 months in jail after Facebook threats sent US schools into lockdown
Top executive faces $5m fine and 20 years in prison after swapping share tips with his golf partner
Students charged with trying to discard evidence 'linking' 19-year-old Chechen to marathon bombings
Investigators follow new DNA lead as 'Unabomber's' lawyer signs on to defend Dzhokhar Tsarnaev
CIA asked for Boston bombing suspect to be added to terrorism watch list after FBI closed investigation
'Flash crash' caused by report that Obama injured in White House explosion
Elvis impersonator claims he was 'framed' over poisoned letter plot by 'personal enemy'
'Whoever is dead over there, it's not my son' says mother of marathon attack suspects
Teenager says older brother was 'driving force' behind attack because he wanted to 'defend Islam'