Some Mac users are getting hit with ransomware — here's what to do

Several Mac users are complaining about getting locked out of their computers for a bitcoin ransom.

MacRumors first reported the trend, apparently by mysterious hackers. Here's what's going on, according to Apple. Find My iPhone allows you to remotely lock one of your devices. 

These hackers have obtained access to a bunch of iCloud usernames and passwords, and are using them to remotely lock people's computers. The hackers are demanding, in chatspeak, a $50 bitcoin ransom in exchange for unlocking the devices.  Read more...