How the MS-ISAC Provided Support After a Ransomware Incident

In the summer of 2025, a coordinated ransomware attack targeted a mid-sized Midwestern city, disrupting operations and threatening critical systems. Notably, early indicators of compromise were identified weeks before the breach became public, highlighting the importance of proactive threat detection.

This case study shows how the Multi-State Information Sharing and Analysis Center provided early warning, rapid response, and ongoing support—helping the city contain the attack, investigate the incident, and strengthen its cybersecurity defenses moving forward.