Glossary: Modern Vulnerabilities, Malware and Physical Attacks

Known-good media

Also written: clean image, rebuild

A trusted, untampered copy of the operating system or a clean disk image used to rebuild a machine. It is the reliable fix for rootkits and RATs, because an infected system cannot be trusted to clean itself.

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

Rootkit RAT (remote access Trojan)