DisclosureLens
HackingHealthcareTechnologyHealthcareData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDHealth (basic)PHIMediumContained

Cerner Corporation

bd_3a23d77e3f28adfc · schema v1 · pii pii-v2

Severity

Medium

Discovered

Mar 7, 2025

Filed

Jul 25, 2025

To disclose

Affected

Not disclosed

Linked

8 filings

Confidence

66%
Full breach record for Cerner Corporation4 incidents on file

Cerner Corporation, an EHR vendor, disclosed a data breach affecting patient information. Unauthorized access occurred on or around January 22, 2025, discovered by Cerner on March 7, 2025. Affected data included names, SSNs, and PHI. Federal law enforcement requested a notification delay. Cerner engaged forensic specialists and law enforcement, offering 24 months of credit monitoring to affected individuals. Notifications were sent in July 2025.

Incident timeline

undetected · 44 days

Jan 22, 2025

Begins

Mar 7, 2025

Discovered

Jul 25, 2025

Filed

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Show 3 more filingsup to 7d gap

Filing propagation · 8 filings · 8 states

View merged incident ↗
California State AGJul 25 · first
Oregon State AGJul 25 · first
Massachusetts State AGJul 25 · first
Washington State AGJul 25 · first
Nebraska State AGJul 25 · first · this page

Pattern: first filing Jul 25 (CA), last Aug 1 (IL) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.