Anatomy of a ransomware attack: CryptoLocker, CryptoWall, and how to stay safe (Infographic)
Ransomware is malware that prevents you from using your files or your computer, and then extorts money from you in exchange for a promise to unlock them.
How it works
A ransomware attack goes through five stages from the time it installs on your computer to the appearance of the ransom warning on your screen.
Ransomware protection, prevention and mitigation