Central Maine Healthcare
Disclosed Jul 31, 20251 year ago145,381 affectedConfirmed
Central Maine Healthcare intrusion exposes data of 145,381 people
Central Maine Healthcare said hackers were in its systems from March 19 until it discovered the intrusion on June 1, 2025; it notified people on a rolling basis, published a statement on December 29, and its review, finished November 6, put the total at 145,381 patients and employees.
What is known
| People affected | 145,381 (as reported by the organization) |
|---|---|
| Disclosed | Jul 31, 2025 |
| Discovered | Jun 1, 2025 |
| Attack | Hacking |
| Data exposed | Names, Dates of birth, Health, Insurance, Social Security numbers |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Central Maine Healthcare breach exposed data of over 145,000 peoplebleepingcomputer.com · News | News |
| HHS OCR breach report (archive, resolved): Central Maine Healthcare (Healthcare Provider, ME)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Jul 31, 2025 | 7,223 |
| Researchtotal | Dec 29, 2025 | 145,381 |
Other breaches at Central Maine Healthcare
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Disclosed Sep 13, 2019Sep 13, 20197 years ago | Sep 13, 20197 years ago | Not stated | Healthcare | Confirmed | 215 |
| Disclosed Sep 23, 2015Sep 23, 201511 years ago | Sep 23, 201511 years ago | Not stated | Healthcare | Confirmed | Unknown |
History of this record
- 2026-09-25 · source_type: press to official · backfill source
- 2026-09-25 · source_url: https://www.bleepingcomputer.com/news/security/central-maine-healthcare-breach-exposed-data-of-over-145-000-people/ to https://ocrportal.hhs.gov/ocr/breach/breach_report.jsf · backfill source
- 2026-09-25 · status: disclosed to confirmed · backfill source
- 2026-09-25 · verified_by: empty to hhs-ocr · backfill source
- 2026-09-25 · verified: 0 to 1 · backfill source
- 2026-09-25 · disclosed: 2025-12-29 to 2025-07-31 · backfill source
- 2026-09-25 · added · seed source
First seen 2026-09-25 (Research), confirmed by HHS OCR. Record counts are as reported. Not legal advice.