California Cryobank
Disclosed Mar 14, 20251 year ago11,246 affectedConfirmed
Largest US sperm bank warns customers of April 2024 data breach
California Cryobank said an unauthorized party accessed its IT environment between April 20 and 22, 2024 and may have taken customer names, bank details, SSNs, driver's license numbers, card numbers and health insurance data.
What is known
| People affected | 11,246 (as reported by the organization) |
|---|---|
| Disclosed | Mar 14, 2025 |
| Discovered | Apr 21, 2024 |
| Happened | Apr 20, 2024 |
| Attack | Hacking |
| Data exposed | Names, Financial, Social Security numbers, Government IDs, Payment cards, Insurance |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: California Cryobankoag.ca.gov · Official notice | Official notice |
| Sperm donation giant California Cryobank warns of a data breachbleepingcomputer.com · News | News |
| Vermont Attorney General: 2025-03-14 California Cryobank Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| Indiana Attorney General 2025 data breach report: California Cryobankin.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Mar 14, 2025 | |
| Vermont AGresidents of VT | Mar 14, 2025 | |
| Indiana AGresidents of IN | Mar 14, 2025 | 36 |
| Researchtotal | Mar 18, 2025 |
History of this record
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 11246 · backfill source
- 2026-09-25 · source: empty to https://ago.vermont.gov/document/2025-03-14-california-cryobank-data-breach-notice-consumers · backfill source
- 2026-09-25 · sector: other to health · seed source
- 2026-09-25 · attack: unknown to hacking · seed source
- 2026-09-25 · data_types: [] to ["names","financial","ssn","government-id","payment-card","insurance"] · seed source
- 2026-09-25 · discovered: empty to 2024-04-21 · seed source
- 2026-09-25 · summary: empty to California Cryobank said an unauthorized party accessed its IT environment between April 20 and 22, 2024 and may have taken customer names, bank details, SSNs, driver's license numbers, card numbers and health insurance data. · seed source
- 2026-09-25 · title: empty to Largest US sperm bank warns customers of April 2024 data breach · seed 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.