UnknownHigh

Cerner Corporation

bd_84ee1229a46c91d3 · schema v1 · pii pii-v1

Severity

High

Discovered

Feb 20, 2025

Filed

Jul 25, 2025

To disclose

22 weeks

Affected

1,970,332

Linked

8 filings

Confidence

95%

Full breach record for Cerner Corporation →4 incidents on file

Cerner Corporation reported a data breach to the Oregon Attorney General. The breach was reported on 2025-07-25. The breach occurred during 1/22/2025 - 4/1/2025. The breach was discovered on 2/20/2025. 1,970,332 individuals were affected. Notice was sent on 7/25/2025.

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Oregon clock✗ OR AG >45d22 weeks 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 · 22 weeks / 155 days

Jan 22, 2025

Begins

Feb 20, 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

California State AGbd_28ee1e6c3dffc4902025-07-25Candidate
Nebraska State AGbd_3a23d77e3f28adfc2025-07-25Verified
Massachusetts State AGbd_9d89cbf05f39075c2025-07-25Verified
Washington State AGbd_d595530ba42639ae2025-07-25Verified

Show 3 more filings ↓up to 7d gap

South Carolina State AGbd_eb522228bcaccfaa2025-07-25Verified
Texas State AGbd_80ec506162e7d5792025-07-28 · +3dVerified
Illinois State AGbd_f238b85559dc3dac2025-08-01 · +7dVerified

Name: Cerner Corporation
norm: cerner
Domain: cerner.com

Name: Cerner Corporation
norm: cerner
Domain: cerner.com

Discovered: Feb 20, 2025
Breach occurred: Jan 22, 2025 – Apr 1, 2025
Undetected for: 29 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 25, 2025
Affected individuals: 1,970,332nationwide
Data types: —
Attack vector: Unknown

Time to disclose: 22 weeks(155 days from discovery to filing)
Compliance flags: OR AG >45d
Discovery-date grounding: 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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

California State AGJul 25 · first

Nebraska State AGJul 25 · first

Massachusetts State AGJul 25 · first

Washington State AGJul 25 · first

South Carolina State AGJul 25 · first

Oregon State AGJul 25 · first · this page

Texas State AG+3d

Illinois State AG+7d

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.

Source URL: https://justice.oregon.gov/consumer/DataBreach/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 25, 2025
Raw hash: ef3780bad66225134500148a692b33f8f89e4215ef1d018c84cad680e011ec24

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityCerner Corporation

Victim entityCerner Corporation

Incidentdiscovered Feb 20, 2025

ComplianceOR AG >45d

Extraction provenanceno artifact recorded

Source provenancejustice.oregon.gov