TriWest Data Breach Exposes 12,000 Military Tricare Beneficiaries' Information
On April 16, 2026, TriWest Healthcare Alliance, the Tricare West Region contractor, discovered a data breach affecting 11,844 beneficiaries. An unauthorized person accessed and downloaded protected health information, including names, DoD Benefits Numbers, and ZIP codes. In fewer than five cases, Social Security numbers, addresses, and birth dates were also exposed. TriWest found no evidence of misuse, is offering 24 months of free credit monitoring via Experian, and has enhanced security controls and employee training. Beneficiaries are urged to enroll in monitoring and report suspicious activity.
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Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially compromising protected health information. The exposed data includes names, Department of Defense Benefits Numbers, and ZIP codes; in fewer than five instances, Social Security numbers, addresses, and dates of birth were also involved. TriWest stated they are unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has taken steps to prevent future incidents, including enhanced security controls and employee training. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and to report suspicious activity or identity theft to the TriWest Breach Response Line or the Federal Trade Commission.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access and downloaded health-related and personal information, including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also exposed. TriWest stated it is unaware of any misuse of the data and is offering 24 months of free credit monitoring through Experian. The company has since increased security controls, including password reset protocols and system monitoring. Beneficiaries are advised to enroll in monitoring by the deadline in their notification letter and to report suspicious activity to the TriWest Breach Response Line or the Federal Trade Commission if identity theft is suspected.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access and downloaded protected health information, including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also compromised. TriWest stated it is unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has increased security controls, strengthened system access monitoring, and provided additional employee training. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and to report suspicious activity or identity theft to the TriWest Breach Response Line or the Federal Trade Commission.
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Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access and downloaded health-related and personal information, including names, DoD Benefits Numbers, and ZIP codes. In fewer than five cases, Social Security numbers, addresses, and dates of birth were also exposed. TriWest stated it is unaware of any misuse of the data and is offering 24 months of free credit monitoring through Experian. The company has increased security controls, strengthened system monitoring, and provided additional employee training. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and to report suspicious activity or identity theft to the TriWest Breach Response Line or the FTC.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially compromising protected health information including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also exposed. TriWest stated it is unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has increased security controls, strengthened system access monitoring, and provided additional employee training. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and to report suspicious activity or identity theft to the TriWest Breach Response Line or the Federal Trade Commission.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially exposing protected health information including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also compromised. TriWest stated it is unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has increased security controls, strengthened system access monitoring, and provided additional employee training. Beneficiaries are advised to enroll by the deadline in their notification letters and report suspicious activity to the TriWest Healthcare Alliance Breach Response Line.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially exposing protected health information including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also compromised. TriWest is offering 24 months of free credit monitoring through Experian and has taken steps to enhance security controls. Beneficiaries are advised to enroll by the deadline in their notification letters and report suspicious activity to the TriWest Breach Response Line or the Federal Trade Commission if identity theft is suspected.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially compromising protected health information including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also exposed. TriWest stated they are unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has increased security controls, strengthened system access monitoring, and provided additional employee education on cyber attacks. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and report suspicious activity to the TriWest Breach Response Line.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially exposing protected health information including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also compromised. TriWest stated they are unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has taken steps to prevent future incidents, including increasing security controls for password resets, strengthening system access monitoring, and providing additional employee education on cyber attacks. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and to report suspicious activity to the TriWest Healthcare Alliance Breach Response Line.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially exposing protected health information. The compromised data includes names, Department of Defense Benefits Numbers, and ZIP codes, with fewer than five instances also involving Social Security numbers, addresses, and dates of birth. TriWest stated it is unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has implemented enhanced security measures including password reset controls, system access monitoring, and employee cybersecurity training. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letters and to report suspicious activity to the TriWest Breach Response Line or the Federal Trade Commission if identity theft is suspected.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access and downloaded health-related and personal information, including names, DoD Benefits Numbers, and ZIP codes. In fewer than five cases, Social Security numbers, addresses, and dates of birth were also compromised. TriWest stated it is unaware of any misuse of the data and is offering 24 months of free credit monitoring through Experian. The company has increased security controls, strengthened system monitoring, and provided additional employee training. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and to report suspicious activity or identity theft to the TriWest Breach Response Line or the Federal Trade Commission.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially exposing protected health information including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also compromised. TriWest stated they are unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has implemented enhanced security controls including password reset protocols, system access monitoring, and additional employee training. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and report suspicious activity to the TriWest Healthcare Alliance Breach Response Line.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially exposing protected health information including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also compromised. TriWest stated it is unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has increased security controls, strengthened system access monitoring, and provided additional employee training. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and to report suspicious activity to the TriWest breach response line or the Federal Trade Commission if they suspect identity theft.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially exposing protected health information including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also compromised. TriWest stated it is unaware of any misuse of the data and is offering 24 months of free credit monitoring through Experian. The company has implemented enhanced security controls, including password reset measures, system access monitoring, and additional employee training. Beneficiaries are advised to report suspicious activity to a dedicated breach response line and to file identity theft reports with the FTC if needed.
Nearly 12,000 Military Tricare Beneficiaries Warned of Data Breach
TriWest Healthcare Alliance, the managed care contractor for the Tricare West Region, notified 11,844 beneficiaries of a data breach discovered on April 16, 2026. An unauthorized person gained limited access to TriWest information and downloaded it, potentially compromising protected health information including names, Department of Defense Benefits Numbers, and ZIP codes. In fewer than five instances, Social Security numbers, addresses, and dates of birth were also exposed. TriWest stated it is unaware of any misuse of the information and is offering 24 months of free credit monitoring through Experian. The company has increased security controls, strengthened system access monitoring, and provided additional employee training. Beneficiaries are advised to enroll in credit monitoring by the deadline in their notification letter and to report suspicious activity or identity theft to the TriWest Breach Response Line or the Federal Trade Commission.