Lessons Learned From Top 10 Ransomware Incidents In 2025
Security Boulevard, Tuesday, December 30th, 2025
To no surprise, ransomware continued to disrupt organizations across every sector in 2025.
Although each incident looked different, most shared the same root causes: weak access controls, overly trusted internal networks, and limited protection around sensitive data systems.
Listed below ten of the year's most significant ransomware incidents, followed by the patterns behind them and the security gaps they exposed - and how Mamori.io helps organizations strengthen resilience where it matters most.