A new ransomware strain called Mamba opts to encrypts hard drives rather than individual files and folders stored on the local disk.

The Petya ransomware strain signaled a new escalation for crypto-malware when it surfaced in March. For the first time, ransomware went beyond encrypting files on local and shared drives and instead set its sights on locking up the Master File Table on compromised machines. Petya did have its shortcomings and before long, researchers were able...

Ransomware clearly has people on many fronts worried, so much so that the United States and Canada took an unprecedented step last week to issue a joint advisory on the threat posed by crypto-ransomware. The U.S. Cyber Emergency Response Team together with the Canadian Cyber Incident Response Centre penned a comprehensive warning on the heels...

First ransomware locked your desktop. Then it encrypted your files. Not long after, webservers, shared drives and backups were targeted. Now? Introducing Petya, ransomware that targets the Master Boot Record. Spotted in email campaigns sent to human resources offices in German companies, the malware encrypts the compromised computer’s master file table and demands .9 Bitcoin...