Ransomware is a major cyberthreat that can halt operations, cause financial loss, and damage reputation, with average breach costs of $5.68 million
Attackers typically deploy ransomware within four days of network access, leaving little time for detection and prevention
Common ransomware types include crypto ransomware (file encryption), screen-lockers, scareware, doxware (leakware), mobile ransomware, wipers, and double/triple extortion variants
Common ransomware types include crypto ransomware (file encryption), screen-lockers, scareware, doxware (leakware), mobile ransomware, wipers, and double/triple extortion variants
Infection vectors include phishing, software vulnerabilities, credential theft, malware, drive-by downloads, and thread hijacking
RaaS enables cybercriminals to distribute ransomware via affiliates, increasing attack frequency and reach
Attack stages: initial access, post-exploitation, lateral movement, data theft, ransomware deployment, and ransom demand
Notable ransomware variants: AIDS Trojan, CryptoLocker, WannaCry, Petya/NotPetya, Ryuk, DarkSide, Locky, REvil, Conti, and LockBit