Hackers have begun exploiting the newly identified "Shellshock" computer bug, using fast-moving worm viruses to scan for vulnerable systems and then infect them.

US first lady Michelle Obama and vice president Joe Biden are among the latest public figures to have their private information posted on a mysterious website.

A Florida company has admitted its files — not an FBI agent’s laptop — were hacked by a renegade group that released Apple product identification data it claimed to have obtained through a breach of the nation’s top law enforcement agency.