Ukraine's Prosecutor General's Office (PGO) for the first time under a simplified procedure in cooperation with the U.S. Federal Bureau of Investigation has extradited a suspected Lithuanian hacker to ...

The cyberattack that caused a widespread shutdown of Columbia University’s computer systems last week appears to be the work of a “hacktivist” — a hacker who also stole student data with ...

Certificate authority GlobalSign has stopped issuing new security certificates after a hacker who claimed responsibility for last week’s breach of DigiNotar claimed to have access to four more ...