Glossary: Modern Vulnerabilities, Malware and Physical Attacks

Ransomware

Malware that makes files unusable, usually by encrypting them, and demands payment; it often steals data and deletes backups first. The first response is to disconnect affected systems and keep them powered on.

Where the book teaches it

Chapter 3: Malware, part 1: ransomware, trojans, worms, spyware and adware
Chapter 4: Malware, part 2: viruses, rootkits, keyloggers, logic bombs and fileless malware

Related terms

Double extortion Shadow copies vssadmin delete shadows Offline backup Wiper Isolation