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#StopRansomware: Gunra Ransomware
August 10, 2026 · CISA (US-CERT) · Severity: CRITICAL
CISA's advisory details Gunra ransomware, a RaaS variant using double-extortion to target organizations. The advisory provides technical details and recommends patching vulnerabilities, implementing offline backups, and segmenting networks to mitigate the threat.
Key Takeaways
- Gunra ransomware is a ransomware-as-a-service targeting government and critical infrastructure.
- Affiliates use double-extortion: encrypting data and threatening to leak stolen information.
- CISA advises prioritizing patching, offline backups, and network segmentation for defense.