BreachCensus

Devereux Foundation

healthcareHealthcareUnited States of America

Devereux Foundation is a healthcare organisation in California. It appears on the HHS OCR breach portal, the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register, the Texas Attorney General breach-notification register, the Vermont Attorney General breach-notification register and the Delaware Attorney General data security breach database with 3 confirmed incidents (4 filings); the most recent notice was filed on July 23, 2026.

Data as of October 17, 2026.

Confirmed incident

Filed in CA, TX, DE, MA and VT

The same incident was filed separately with 5 jurisdictions within a few days of each other (CA, TX, DE, MA and VT) — shown here as one incident.

Occurred
November 6, 2025
Disclosed
July 23, 2026
Records affected
86,958

Timeline

  1. July 23, 2026
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
  2. July 23, 2026
    Reported to regulator Regulator

    DE AG breach notification: 1,294 Delaware residents affected

    source
  3. July 23, 2026
    Reported to regulator Regulator

    DE AG breach notification: 1,294 Delaware residents affected

    source
  4. July 23, 2026
    Reported to regulator Regulator

    DE AG breach notification: 1,294 Delaware residents affected

    source
  5. July 23, 2026
    Reported to regulator Regulator

    TX AG breach notification: 5,341 Texas residents affected

    source
  6. July 23, 2026
    Reported to regulator Regulator

    VT AG breach notification: 43 Vermont residents affected

    source
  7. July 23, 2026
    Reported to regulator Regulator

    MA AG breach notification: 3,316 Massachusetts residents affected

    source
  8. July 29, 2026
    Litigation filed Court

    RECAP docket 2:26-cv-05354 (paed): WILLIAMS v. THE DEVEREUX FOUNDATION

    source

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
  • Case filed — docket on CourtListener
What a California notice means

Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗

What a Texas notice means

Governed by Tex. Bus. & Com. Code §521.053. Notice to the Attorney General is required when a breach affects at least 250 Texas residents.

Note: the published count is a total, not limited to Texas residents.

Texas breach-notification register ↗

What a Delaware notice means

Governed by 6 Del. C. §12B-102. Notice to the Attorney General is required when a breach affects more than 500 Delaware residents.

Note: the count is Delaware residents only, not a total.

Delaware breach-notification register ↗

What a Massachusetts notice means

Governed by M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

What a Vermont notice means

Governed by 9 V.S.A. §2435. Notification to the Attorney General is required.

Note: the count is Vermont residents.

Vermont breach-notification register ↗

Confirmed incident

US-PA — Hacking/IT Incident

Disclosed
January 8, 2026
Records affected
501

Timeline

  1. January 8, 2026
    Reported to regulator Regulator

    HHS OCR breach portal listing: Hacking/IT Incident; Network Server

    source

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
Confirmed incident

US-MA

Disclosed
February 21, 2019

Timeline

  1. February 21, 2019
    Reported to regulator Regulator

    MA AG breach notification: 25 Massachusetts residents affected

    source