HackingHealthcareFinancial ServicesHealthcareStolen CredentialsRansomwareData ExfiltratedData EncryptedRansom DemandedCustomer Data InvolvedMulti-Stage ChainIdentity (basic)Government IDPHIHealth (basic)Financial accountFinancial credentialsCriticalContained

CHANGE HEALTHCARE INC.

bd_20fef244fbf67f71 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Feb 21, 2024

Filed

Aug 2, 2024

To disclose

23 weeks

Affected

346,718state residents only

Linked

14 filings

Confidence

65%

Full breach record for CHANGE HEALTHCARE INC. →7 incidents on file

Change Healthcare Inc. disclosed a cyber incident in Montana where unauthorized access occurred between Feb 17-20, 2024. The breach exposed PHI, financial data, and PII (SSN, DLs). CHC contained the incident, engaged law enforcement, and offered 2 years of credit monitoring. Notification began June 20, 2024.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 4 days

discovery → filing · 23 weeks / 163 days

Feb 17, 2024

Begins

Feb 21, 2024

Discovered

Aug 2, 2024

Filed

vs. sector median

+11 wks slower

This filing is one of 14 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

New Hampshire State AGbd_546b3d03391ed1822024-08-02Verified
California State AGbd_6999730badb3aebb2024-08-03 · +1dVerified
Oregon State AGbd_788f5843714453cb2024-08-03 · +1dVerified
Massachusetts State AGbd_969ae8733a313abf2024-08-03 · +1dVerified

Show 6 more filings ↓up to 91d gap

Washington State AGbd_dc48a09555e80a912024-08-03 · +1dVerified
Illinois State AGbd_475102911ae1328e2024-08-01 · +1dVerified
South Carolina State AGbd_6c170b3ed5a97da52024-08-05 · +3dVerified
Vermont State AGbd_1467986906075ca02024-07-29 · +4dVerified
Oregon State AGbd_1091c4bb67ec440a2024-09-16 · +45dVerified
Illinois State AGbd_99990548386b282d2024-11-01 · +91dVerified

Showing first 10 of 13 linked disclosures.

Name: CHANGE HEALTHCARE INC.
norm: change healthcare
Domain: changehealthcare.com

Name: CHANGE HEALTHCARE INC.
norm: change healthcare
Domain: changehealthcare.com
Industry: HealthcarellmFinancial Servicesllm

Discovered: Feb 21, 2024
Breach occurred: Feb 17, 2024 – Feb 20, 2024
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 20, 2024
Affected individuals: 346,718state-resident count only
Data types: Identity (basic)Government IDPHIHealth (basic)Financial accountFinancial credentials
Data elements: Date of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid AccountsT1041 Exfiltration Over C2 ChannelT1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Called law enforcement
Initial access: exploit_public_facing

During the incident: Hired a special team to help us
Called law enforcement
Turned off CHC’s systems to help protect our customers
Offering free credit monitoring and identity theft protection services for 2 years
Changes made: Making our computer systems even stronger than before
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(163 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 9 states

View merged incident ↗

Vermont State AGJul 29 · first

Illinois State AG+3d

New Hampshire State AG+4d

Montana State AG+4d · this page

California State AG+5d

Oregon State AG+5d

Massachusetts State AG+5d

Washington State AG+5d

South Carolina State AG+7d

Oregon State AG+49d

Illinois State AG+95d

Pattern: first filing Jul 29 (VT), last Nov 1 (IL) — a 95-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 13 — the full spread may be wider.

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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-855.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 2, 2024
Raw hash: e3914e3a1a3d739fd605ad8fd72778e9e6fc6a9e2c8d5abba74bfce7f0b2ed24

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityCHANGE HEALTHCARE INC.

Victim entityCHANGE HEALTHCARE INC.

Incidentdiscovered Feb 21, 2024

Stated responseHired a special team to help us

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov