The influence of these "hacktivists" is far-reaching -- and destructive. A person wears a Guy Fawkes mask, a trademark and symbol for the online hacktivist group Anonymous, Feb. 25, 2012.

Last week's arrests of 21 hackers worldwide was supposed to sound like a warning shot over the bow of LulzSec and Anonymous. The arrest happened in the U.S., the U.K. and the Netherlands and came just ...

Add Yahoo as a preferred source to see more of our stories on Google. An anonymous hacker well-versed in Tesla technology played a crucial and previously unreported role in helping plaintiffs achieve ...

The Justice Department building is seen in Washington on March 4, 2012. REUTERS/Gary Cameron (UNITED STATES - Tags: CITYSPACE) - RTR2YUEU The Justice Department building is seen in Washington on March ...

Another big, bad Anonymous hack is knocking on cyber doorsteps — and freaking out Washington: The do-gooder hacking collective plans to target cord cutters and anyone using the Internet to watch the ...

KEY LARGO, Fla. — New revelations are emerging following a landmark $243 million verdict against Tesla earlier this month — and they involve an unlikely player in the courtroom battle: an anonymous ...

SAN FRANCISCO (Reuters) - The Internet vigilante hacker group Anonymous claimed to have broken into an Apple Inc server and published a small number of usernames and passwords for one of the U.S.

Anonymous claims it broke into the PlayStation Network and has a 50 gigabyte database of email accounts and their passwords. Ten million accounts “are at risk,” says the hacker involved. The passwords ...