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.
On August 22, 2026, threat actors linked to the extortion group ShinyHunters executed a targeted social engineering campaign against ReliaQuest using voice phishing and lookalike single sign-on (SSO) infrastructure.
On August 22, 2026, threat actors linked to the extortion group ShinyHunters executed a targeted social engineering campaign against ReliaQuest using voice phishing and lookalike single sign-on (SSO) infrastructure.
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
H-ISAC TLP Green: Daily Cyber Headlines for August 24, 2026.
Cisco has released security updates addressing several high-severity vulnerabilities discovered during internal testing across its Crosswork and Secure Workload platforms.
The National Security Agency and other federal agencies released a joint advisory Aug. 18 warning of active cyber threats to Siemens S7 Series programmable logic controllers, which are industrial computers used to monitor essential equipment.
Drawing from real-world asset retirement practices, this session will provide healthcare leaders with practical strategies for establishing secure, auditable and defensible end-of-life processes. Participants will learn how stronger chain-of-custody controls, documented data-destruction procedures…
A joint advisory released Aug. 19 by the FBI, Cybersecurity and Infrastructure Security Agency, and the Department of Health and Human Services provides updates on activity by Medusa, a foreign ransomware-as-a-service variant first identified in 2021.
H-ISAC TLP Green: Daily Cyber Headlines for August 18, 2026.
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.