Capitol Administrators
Disclosed May 11, 20188 years ago1,733 affectedConfirmed
An external third party accessed employees’ email accounts via a suspected phishing incident. This incident affected the demographic and clinical protected health information (PHI) of 1,733 individuals. Capitol Administrators, Inc., which is a business associate (BA) for multiple health plans, notified its client health entities, provided breach notification to HHS, affected individuals, and the media, and provided free credit monitoring to individuals. Following the breach, the BA investigated the incident, changed passwords, created a risk management plan, implemented new safeguards and its revised policies and procedures. As a result of OCR’s investigation, the BA provided copies of its relevant policies and procedures, implemented enhanced email security protections, including multi-factor authentication, blocked internet addresses outside of the U.S. and, provided additional training to its employees on phishing and other types of cyber threats.
What is known
| People affected | 1,733 (as reported to HHS) |
|---|---|
| Disclosed | May 11, 2018 |
| Happened | Jan 7, 2018 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Capitol Administratorsoag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Capitol Administrators (Business Associate, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | May 11, 2018 | |
| HHS archivetotal | May 11, 2018 | 1,733 |
History of this record
- 2026-09-25 · sector: other to health · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · records_basis: empty to hhs · backfill source
- 2026-09-25 · records: empty to 1733 · backfill source
- 2026-09-25 · summary: empty to An external third party accessed employees’ email accounts via a suspected phishing incident. This incident affected the demographic and clinical protected health information (PHI) of 1,733 individuals. Capitol Administrators, Inc., which i · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.