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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On August 14, 2026, researchers at watchTowr published a technical write-up and working proof-of-concept exploit for CVE-2026-8452 (CVSS 8.8), a pre-authentication vulnerability in Citrix NetScaler ADC and Gateway.
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
H-ISAC TLP Green: Daily Cyber Headlines for August 17, 2026.
The Department of Health and Human Services Aug. 14 released a request for comments through the Office of the National Coordinator for Health IT on a proposed three-year generic clearance to collect routine customer feedback on service delivery and performance related to the Trusted Exchange…
H-ISAC TLP Green: Daily Cyber Headlines for August 14, 2026.
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
Cyberattacks against healthcare continue to grow in frequency, sophistication and impact. They have increased their targeting of healthcare third-party vendors, conducted ransomware attacks and led data-theft extortion campaigns.
This week, Health-ISAC®'s Hacking Healthcare® highlights how a foundational resource in vulnerability management is attempting to adjust to the new realities of an AI world.
Fortinet has released security advisories patching multiple vulnerabilities across its product suite, including high-severity authentication flaws in FortiWeb, FortiManager, and FortiClient for Windows.
H-ISAC TLP Green: Daily Cyber Headlines for August 13, 2026.