SEOUL, South Korea -- A cyberattack caused computer networks at major South Korean banks and top TV broadcasters to crash simultaneously Wednesday, paralyzing bank machines across the country and ...

Hackers claim to have compromised the computer of a North Korean government hacker and leaked its contents online, offering a rare window into a hacking operation by the notoriously secretive nation.

Funds from the ransomware attacks on hospitals subsidized military espionage activities, prosecutors say. By Michael Crowley Reporting from Washington A federal grand jury on Thursday indicted a North ...