Health-ISAC Health Sector Heartbeat – Q3 2025

Health-ISAC Heartbeat provides observations of ransomware, cybercrime trends, and malicious actor forum postings that could potentially impact health sector organizations. This product is for situational awareness.

Topics:

• Ransomware Attacks in the Health Sector
• Global Events Analysis
• Targeted Alert Trends
• Underground Forums Activity
• Threat Actor Profiles and Mitigations
• Additional Recommendations

• Related Resources & News
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• Threat Actor Playbook: Conversational Social Engineering in Care Settings
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• Cybersecurity in the Lab
• Operation Vital Signs: First-of-its-kind exercise stress tests health sector cyber resilience
• What’s in America’s Code?
• Introducing AI Agents to Your Identity Fabric
• Cyberattacks on Healthcare Sector Jumped 14% in First Half of 2026
• What do cybersecurity leaders want in staff? These 3 skills beat certifications and experience