The WannaCrypt alert.

A cyber weapon believed to have escaped the control of the United States’ top-secret National Security Agency appears to be behind a massive wave of cyber ransom attacks Friday in scores of countries around the globe that researchers said was the largest computer hack ever. Computers seized in the attack flashed a message on a black screen with red letters: “Oops, your important files are encrypted.” Users were then unable to access their files and told to pay a ransom to regain access to their machines. A Czech security research firm, Avast Software, said it had detected more than 57,000 computers frozen by the attack.Read More →