DisclosureLens
UnknownHealthcareHealthcareIdentity (basic)Government IDPHIHealth (basic)Critical

Cerner Corporation

bd_e36a95d7c53add13 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Feb 20, 2025

Filed

Jul 7, 2026

To disclose

17 months

Affected · nationwide

18,565,7302,658,388 in this filing

Linked

4 filings

Confidence

95%
Full breach record for Cerner Corporation →4 incidents on file

Cerner Corporation based in Kansas City, Missouri, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-02-20 and reported on 2026-07-07. 2,658,388 Texas residents were affected. 18,565,730 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Medical Information. Consumers were notified via U.S. Mail.

Texas clock✗ TX AG >30d17 months discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 29 days
discovery → filing · ≤ 17 months / 502 days

Jan 22, 2025

Begins

Feb 20, 2025

Discovered

Jul 7, 2026

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Illinois State AGJun 1 · first
New Hampshire State AG+21d
Oregon State AG+35d
Texas State AG+36d · this page

Pattern: first filing Jun 1 (IL), last Jul 7 (TX) — a 36-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.