This paper analyzes ransomware’s accelerating threat to financial organizations, including the impact of Ryuk, Phobos, and Sodinokibi variants. It explains rising attack frequencies, ballooning ransom demands, and operational disruptions. The document details three pillars of resilience—education, implementation, and remediation—covering backup server hardening, ransomware detection alarms, immutability, endpoint and NAS protection, and secure restore practices. It stresses the importance of communication plans, expert involvement, and restoring from clean data to avoid reinfection.

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