HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountPHIMediumContained

California Cryobank

bd_f462a044442ea673 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 21, 2024

Filed

Mar 14, 2025

To disclose

47 weeks

Affected

Not disclosed

Linked

9 filings

Confidence

64%

Full breach record for California Cryobank →

California Cryobank LLC notified individuals of a data security incident where an unauthorized party accessed its IT environment between April 20-22, 2024. The incident potentially exposed names, Social Security numbers, driver's license numbers, financial account numbers, and health insurance information. The company isolated affected systems, conducted an investigation, and is offering 12 months of complimentary identity protection services through TransUnion.

J jump to incidentP pin to compareR raw source

Maryland clock✗ MD AG >90d47 weeks discovery → filing

Incident timeline

undetected · 1 days

discovery → filing · 47 weeks / 327 days

Apr 20, 2024

Begins

Apr 21, 2024

Discovered

Mar 14, 2025

Filed

vs. sector median

+35 wks slower

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Massachusetts State AGbd_09dc37ea8738873e2025-03-14Verified
Indiana State AGbd_36b1cb539cada28a2025-03-14Verified
Montana State AGbd_5d46b4ecbee675592025-03-14Verified
California State AGbd_64dce7ff2645324a2025-03-14Verified

Show 4 more filings ↓

Nebraska State AGbd_6a4051233c3d921f2025-03-14Verified
New Hampshire State AGbd_7981bf25866985122025-03-14Verified
Vermont State AGbd_98eddcd84ac7a1f92025-03-14Verified
Maine State AGbd_f4351996e2772b232025-03-14Candidate

Name: California Cryobank
norm: california cryobank

Name: California Cryobank
norm: california cryobank
Industry: Healthcarellm

Discovered: Apr 21, 2024
Breach occurred: Apr 20, 2024 – Apr 22, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Mar 14, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountPHI
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Initial access: exploit_public_facing

During the incident: Isolated the computers from our IT network
Launched an investigation
Undertook a comprehensive search and review of the files
Implemented additional safeguards and technical security measures
Offering complimentary twelve (12) months membership to identity protection services through TransUnion
Changes made: Implemented additional safeguards and technical security measures to further protect and monitor its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 47 weeks(327 days from discovery to filing)
Compliance flags: MD AG >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 9 states

View merged incident ↗

Massachusetts State AGMar 14 · first

Indiana State AGMar 14 · first

Montana State AGMar 14 · first

California State AGMar 14 · first

Nebraska State AGMar 14 · first

New Hampshire State AGMar 14 · first

Vermont State AGMar 14 · first

Maine State AGMar 14 · first

Maryland State AGMar 14 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376558.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 14, 2025
Raw hash: 473e6eca00d553e438ab97c5af5fcf36707711b4a8c5a800dc0e8ec0606a0d42

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityCalifornia Cryobank

Victim entityCalifornia Cryobank

Incidentdiscovered Apr 21, 2024

Stated responseIsolated the computers from our IT network

ComplianceMD AG >90d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov