The covered entity (CE), City of Hope, reported that it experienced a cyber-attack that affected the protected health information (PHI) of 902,540 individuals. The PHI involved included names, dates of birth, Social Security and drivers’ license numbers, financial and health insurance information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards.
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 902540 · backfill source
2026-09-25 · disclosed: 2024-04-02 to 2023-12-12 · backfill source
2026-09-25 · summary: empty to The covered entity (CE), City of Hope, reported that it experienced a cyber-attack that affected the protected health information (PHI) of 902,540 individuals. The PHI involved included names, dates of birth, Social Security and drivers’ li · backfill source
2026-09-25 · source: empty to https://ago.vermont.gov/document/2024-04-02-city-hope-data-breach-notice-consumers · backfill source
2026-09-25 · attack: unknown to hacking · backfill source
2026-09-25 · discovered: empty to 2023-10-13 · backfill source