US carriers cover the costs for calls and texts to Belgium
It's an important olive branch in the wake of the Brussels terrorist attacks.
US Army turns to phone app to prevent base attacks
Tips from iWatch Army could thwart shootings before they start.
Scientists can identify terrorists by their victory signs
Biometrics could identify a masked person simply by looking at hand gestures.
A real suicide bomb detector should arrive this year
After years of dodgy detectors, one company claims to have a real solution.
Pro-ISIS hackers threaten Facebook and Twitter over crackdowns
The extremists aren't happy about losing key propaganda channels.
Tim Cook: Unlocking terrorist's iPhone would be 'bad for America' (updated)
Apple CEO makes case on ABC World News Tonight.
Bill Gates sides with FBI over iPhone access issue (updated)
"They are not asking for some general thing, they are asking for a particular case."
Judge tells Apple to help FBI access San Bernardino shooters' iPhone
Apple insists it can't break the iPhone's encryption, but the FBI has some ideas.
ISIS help desk tells jihadis how to hide from authorities
Its purpose is to help members avoid Western surveillance.