California girl, 15, arrested over social media threats to school

By Marty Graham (Reuters) – A 15-year-old California girl has been arrested on accusations of using Instagram to anonymously threaten her San Diego-area high school, which was closed for two days this week as a result, police said on Wednesday. Carlsbad High School, about 20 miles north of San Diego, closed mid-morning on Monday and sent students home after learning of the anonymous threat, Carlsbad School District spokesman Rick Grove said.

Read more

FBI says Sony hackers ‘got sloppy,’ posted from North Korea addresses

By Emily Flitter and Mark Hosenball NEW YORK/WASHINGTON (Reuters) – FBI Director James Comey said on Wednesday that hackers behind the cyberattack on Sony Pictures Entertainment provided key clues to their identity by sometimes posting material from IP addresses used exclusively by the North Korean government. The hackers, who called themselves “Guardians of Peace,” sometimes “got sloppy” and failed to use proxy servers that would hide their identity, Comey said at the International Conference on Cyber Security in New York.

Read more