HackingHealthcareTechnologyHealthcareStolen CredentialsData ExfiltratedDelayed DiscoveryIdentity (basic)Government IDHealth (basic)PHICriticalActive

Cerner Corporation

bd_eb522228bcaccfaa · schema v1 · pii pii-v1

Severity

Critical

Discovered

Mar 7, 2025

Filed

Jul 25, 2025

To disclose

20 weeks

Affected

283,903state residents only

Linked

8 filings

Confidence

64%

Full breach record for Cerner Corporation →4 incidents on file

Cerner Corporation reported an unauthorized third-party access to legacy EHR systems starting Jan 22, 2025, discovered March 7, 2025. Data included names, SSNs, and PHI. Federal law enforcement delayed notification. Cerner engaged forensic specialists and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due20 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 44 days

discovery → filing · 20 weeks / 140 days

Jan 22, 2025

Begins

Mar 7, 2025

Discovered

Jul 25, 2025

Filed

vs. sector median

+7 wks slower

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
Oregon State AGbd_84ee1229a46c91d32025-07-25Verified
Massachusetts State AGbd_9d89cbf05f39075c2025-07-25Verified

Show 3 more filings ↓up to 7d gap

Washington State AGbd_d595530ba42639ae2025-07-25Verified
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
Industry: HealthcarellmTechnologyllm

Discovered: Mar 7, 2025
Breach occurred: Jan 22, 2025
Undetected for: 44 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 25, 2025
Affected individuals: 283,903state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: federal law enforcement asked to delay patient notification
Initial access: valid_credentials

During the incident: Began investigating the incident
Initiated its critical incident response process
Took steps to secure the impacted systems
Began an investigation
Worked with external cybersecurity specialists and federal law enforcement
Changes made: Offered complimentary access to Experian IdentityWorks Credit Plus 3B for 24 months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(140 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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

Oregon State AGJul 25 · first

Massachusetts State AGJul 25 · first

Washington State AGJul 25 · first

South Carolina 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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2025/20250725%20Notice%20LF%20K.%20Nahra%20to%20SC%20AG%20-%20Consumer%20Notice.pdf
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: 10f8dee7a07fa7a29edd9fbea39f554cdccffc2f2f9e160feca7f6bdf2496ae3

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityCerner Corporation

Victim entityCerner Corporation

Incidentdiscovered Mar 7, 2025

Stated responseBegan investigating the incident

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov