Ransomware remains a top cyber threat in 2025, with attackers evolving tactics like double and triple extortion, Ransomware-as-a-Service (RaaS), and exploiting newly patched vulnerabilities. Major groups like LockBit (Syrphid), RansomHub (Greenbottle), Qilin (Stinkbug), and others dominate attacks. Despite law enforcement takedowns, attack volumes continue rising. Tactics include “living off the land” with built-in Windows tools, credential theft, and disabling defenses. Data exfiltration and remote access tools like PowerShell, Rclone, AnyDesk, and Cobalt Strike are common. Strong mitigation involves MFA, offline backups, restricted RDP, and up-to-date threat detection.

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