HMNH A.I CyberSecurity Scoring
HMNH
Company Information
Website:http://www.henrymayo.com
Employees number:1,207
Number of followers:8,077
NAICS:62
Industry Type:Hospitals and Health Care
Homepage:henrymayo.com
HMNH Risk Score (AI oriented)
Between 750 and 799
HMNHHospitals and Health Care
Updated:
01/04/2026
01/04/2026
765/1000
Fair
Baa
HMNH Global Score (TPRM)
xxxx
HMNHHospitals and Health Care
Score locked

HMNHFair
Current Score
765Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
765
JUNE 2026
765
MAY 2026
765
APRIL 2026
765
MARCH 2026
765
FEBRUARY 2026
765
JANUARY 2026
765
DECEMBER 2025
765
NOVEMBER 2025
765
OCTOBER 2025
765
SEPTEMBER 2025
765
AUGUST 2025
765
NOVEMBER 2009
766
Data Leak
14 Nov 2009 • HMNH
Henry Mayo Newhall Hospital
Unauthorized Access to Medical Records at Henry Mayo Newhall Hospital
703
CRITICAL-63
HEN2212231222
Henry Mayo Newhall Hospital in Santa Clarita, CA fired several employees for compromising the medical records of the Saugus High School shooter.
Hospital staff is only permitted to access the medical records of patients with whom they have a treatment relationship or if there is an otherwise legitimate business relationship for accessing the records.
On November 14, 2009, a student of Saugus High School shot five students, killing two before turning the pistol on himself.
The shooter was taken to Henry Mayo Newhall Hospital where he died the following day.
Several employees at the hospital viewed the medical records of the shooter without any legitimate business purpose for doing so.
INCIDENT DETAILS -
TYPE
MOTIVATION
IMPACT
DATA BREACH
REFERENCES
Frequently Asked Questions
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