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H-ISAC TLP White Threat Bulletin: Emerging SMS/Voice OTP Toll Fraud via Account Sign-up and Patient Portal Flows
Health-ISAC is tracking an emerging fraud pattern where threat actors exploit SMS and voice One-Time Password (OTP) mechanisms used in account sign-up, patient portal enrollment, telehealth registration, and MFA flows.
H-ISAC TLP Green: Daily Cyber Headlines - January 13, 2026
H-ISAC TLP Green: Daily Cyber Headlines for January 13, 2026.
H-ISAC TLP Green: Ransomware Data Leak Sites Report - January 13, 2026
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
H-ISAC TLP Green: Daily Cyber Headlines - January 12, 2026
H-ISAC TLP Green: Daily Cyber Headlines for January 12, 2026.
H-ISAC TLP Green: Ransomware Data Leak Sites Report - January 12, 2026
A daily ransomware tracker at TLP Green to increase awareness of the ransomware threat.
Cyber Threat Intelligence
Helping hospitals prepare for and prevent cyber attacks, AHA gathers the latest cyber Government Cyber Threat Intelligence Alerts and H-ISAC Reports.
H-ISAC TLP White Vulnerability Bulletin: Cisco Patches Identity Services Engine (ISE) Security Flaw (CVE-2026-20029)
On January 7, 2026, Cisco released security updates to address a medium-severity vulnerability, tracked as CVE-2026-20029, affecting its Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) network access control solutions.
H-ISAC TLP Green: Daily Cyber Headlines - January 9, 2026
H-ISAC TLP Green: Daily Cyber Headlines for January 9, 2026.
H-ISAC TLP Green: Ransomware Data Leak Sites Report - January 9, 2026
A daily ransomware tracker at TLP:GREEN to increase awareness of the ransomware threat.