Ransomware hackers are now calling up their victims to add pressure

As more and more people start backing up their files, hackers using malware have resorted to calling up their victims to pretend their backups are lost too. — Frank Rumpenhorst/dpa

The ingenuity of cybercriminals would appear to know no bounds. Hacker groups, forever devising perfidious new strategies to blackmail unsuspecting people with malware, are now even resorting to offline techniques to pressure their victims.

Of course, your best insurance against encryption attacks will always be a backup of your files. But hackers know that too.