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Hoag Memorial Hospital Presbyterian
Orange, United States3 sources
Confirmed:Confirmed by the organisation, a regulator or a securities filing. First reported 4 Nov 2026.
Hoag Memorial Hospital notifies patients of October breach
Hoag Memorial Hospital Presbyterian began notifying individuals of a breach discovered in October 2026. Suspicious activity was detected on October 8, scope determined on October 25, and notification letters were mailed on November 4.
- Type
- Data breach
- Sector
- Healthcare
- First reported
- 4 Nov 2026
- Latest source
- 6 Nov 2026
What to do
- If you have an account, change that password, and anywhere you reused it.
- Turn on two-factor authentication, ideally an authenticator app or passkey, not SMS.
- Expect phishing that uses your real details. Do not click links in messages about this incident; go to the company's site directly.
- If payment cards were involved, watch statements and ask your bank for a new card.
- If government ID or social security numbers were involved, consider a credit freeze.
- If this is a vendor of yours, ask what of your data they held and whether it was in scope.
- Reset any API keys, SSO trusts or shared credentials you have with them.
- Brief your help desk: attackers often impersonate the breached brand next.
Not sure? Ask an assistant with the sources attached, or have a coding agent check your systems.
Check your systems for Hoag Memorial Hospital Presbyterian
Sources
3- theperimetersite.com6 Nov 2026theperimetersite.com/hacked-today
- classaction.org6 Nov 2026classaction.org/data-breach-lawsuits/hoag-memorial-hospital-presbyterian-november-2026
- board-cybersecurity.com4 Nov 2026board-cybersecurity.com/incidents/tracker/hoag-memorial-hospital-presbyterian-cybersecurity-incident-4f76d900
Confidence 90% that this is real and correctly placed. Locations are city centroids at best. Spotted an error? Report a correction.