Cybersecurity

Cyber Threat Intelligence, Alerts and Reports

As part of the AHA’s commitment to helping hospitals and health systems prepare for and prevent cyber threats, we have gathered the latest government cyber threat intelligence and alerts and Health Information Sharing and Analysis Center (H-ISAC) reports.

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Cybersecurity & Risk Advisory

Learn how AHA can help hospitals and health systems prepare for and mitigate cyber threats through the expertise of John Riggi, AHA’s National Advisor for Cybersecurity and Risk.

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The Silent Ransom Group (SRG), also known as Luna Moth, Chatty Spider, and UNC3753, is targeting law firms using social engineering techniques.
Microsoft announced May 19 that it disrupted operations of Fox Tempest, a threat actor operating as a malware-signing-as-a-service used by cybercriminals to deploy malicious code, including malware.
H-ISAC TLP Green: Daily Cyber Headlines for May 21, 2026..
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
An AHA Cyber & Risk Intel blog by John Riggi, AHA national advisor for cybersecurity and risk, explores what health care leaders need to consider to reduce their organization’s cyber risk — including health care’s top three current and anticipated cyberthreats of 2026. LEARN MORE 
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
Learn about healthcare’s top 3 cyber risks for 2026 in this blog by John Riggi, AHA national advisor for cybersecurity and risk