Attack Types
Ransomware
Malicious software that encrypts data and demands ransom
Ransomware is a type of malicious software that encrypts victim's files or blocks access to the system, demanding ransom for restoring access. One of the most destructive modern cyber threats.
Notable Families
- WannaCry (2017) — infected 200,000+ computers
- NotPetya (2017) — $10 billion in damages
- REvil/Sodinokibi — attacks on large businesses
- LockBit — Ransomware-as-a-Service
- Conti — attacks on critical infrastructure
How It Spreads
- Phishing emails
- RDP attacks
- Software vulnerabilities
- Malvertising
- Infected websites
Protection
- Regular backups (3-2-1 rule)
- Software updates
- Network segmentation
- EDR solutions
- Employee training
Related Terms
Category
DDoS, phishing, malware, social engineering