Ransomware is malicious software that encrypts victims' files or systems, making them inaccessible until a ransom payment is made. Modern attacks often include data theft and threats of public release of sensitive information.
Key Features
- File encryption and system lockout
- Ransom demands for decryption
- Data theft and extortion threats
- System-wide infection capability
- Cryptocurrency payment demands
Common Attack Methods
- Phishing emails with malicious attachments
- Compromised credentials
- Software vulnerabilities exploitation
- Remote desktop protocol attacks
- Supply chain compromises
Prevention Measures
- Regular system backups
- Security updates and patches
- Network segmentation
- Email filtering
- Access control implementation
- Security awareness training
- Incident response planning
Impact
- Data loss and system downtime
- Financial losses from ransom payments
- Operational disruption
- Reputation damage
- Legal and regulatory consequences
Response Strategy
- Immediate system isolation
- Incident documentation
- Law enforcement notification
- Backup restoration
- Security enhancement
Modern ransomware attacks are increasingly sophisticated, often employing double or triple extortion tactics. Organizations must maintain robust security measures, including regular backups, user training, and incident response plans to protect against these threats.