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The new version of Ransomware Akira introduces significant improvements compared to 2023, with a 60% increase in reported activity in 2025.

Log deletion to hide traces, advanced string obfuscation, and stronger encryption keys: these are the updates that confirm Akira’s evolution towards greater stealth, complexity, and resilience against detection and forensic investigations.

3 key points:

• Increase in victims: significant expansion and growing impact.
• Evolving tactics: refined code and adaptive attacks.
• Anti-DFIR: log deletion and advanced obfuscation to hinder investigations.

To learn more, check out the report conducted by Francesco Facoetti, TID&R Manager.