From zdnet.com
![](https://www.zdnet.com/a/hub/i/r/2021/06/06/1701f386-3f41-4f16-bfb5-ea9308621986/thumbnail/770x578/6a2d4d7dd4f7606d5e93589e60c079ef/screenshot-2021-06-06-at-16-03-45.png)
Ransomware is now one of the most potentially damaging — and a very popular — types of malware. If ransomware lands on a vulnerable system, files are usually encrypted, users are locked out, and payment is demanded, usually in cryptocurrency, in return for a decryption key.