Belgian Twitter users responded in an odd way to police requests not to tweet photos of security personnel.
An encrypted chat service with self-destructing messages has blocked accounts associated with ISIS.
Before and after satellite maps show Boko Haram's horrific campaign of terror.
Guardians of Peace hackers warned the Hollywood studio not to release a film that has angered North Korea.
In recent years platforms like Twitter have given Islamic militants an unprecedented, unfiltered ability to intimidate their opponents.
Facebook, YouTube, Twitter and Reddit lend a hand in catching crooks, but also bring the story closer to home. ->
A hacker group breached the PBS website, posting false stories and seizing sensitive information.
A new security machine scans bottles to determine if the contents are safe to take on the plane.
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