They are one of the most notorious malware floating around the internet. Actually they are a piece of software that locks down your files in your PC or smartphone behind an encrypted paywall. Yes, you have to pay ransom to get back your valuable files. Even if you send the money — there’s no guarantee you’ll get that decryption key to unlock your encrypted files.
DawsonITE is a blog devoted to Educational Technology. It's compiled by Rafael Scapin, Coordinator of Educational Technology at Dawson College in Montreal (Canada).