MalwareHealthcareTechnologyHealthcareRansomwareStolen CredentialsCapture Stored DataData ExfiltratedData EncryptedRansom DemandedMulti-Stage ChainCustomer Data InvolvedBusiness Associate (HIPAA)Downstream VictimsPHIPIIIdentity (basic)LowContained

CHANGE HEALTHCARE INC.

bd_546b3d03391ed182 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 21, 2024

Filed

Aug 2, 2024

To disclose

23 weeks

Affected

Not disclosed

Linked

14 filings

Confidence

63%

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

Change Healthcare Inc. (CHC), a healthcare technology business associate, disclosed a ransomware incident. On Feb 12, 2024, attackers used compromised credentials to access a Citrix portal. Ransomware was deployed on Feb 21, 2024. Data exfiltration occurred Feb 17-20. CHC notified the NH AG on Aug 2, 2024. Impacted data includes PHI and PII. CHC provided credit monitoring and engaged forensic experts.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 9 days

discovery → filing · 23 weeks / 163 days

Feb 12, 2024

Begins

Feb 21, 2024

Discovered

Apr 22, 2024

Scope determined

Aug 2, 2024

Filed

vs. sector median

+12 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

Montana State AGbd_20fef244fbf67f712024-08-02Verified
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: HealthcarellmTechnologyllm

Discovered: Feb 21, 2024
Breach occurred: Feb 12, 2024 – Feb 20, 2024
Undetected for: 9 daysoccurrence → discovery
Materiality determined: Apr 22, 2024
Notification sent: Jul 29, 2024
Affected individuals: Not disclosed
Data types: PHIPIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 ChannelT1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Consumer Protection & Antitrust Bureau
Initial access: valid_credentials

During the incident: Disconnected and turned off systems to prevent further impact
Contacted law enforcement
Retained leading cybersecurity and data analysis experts to assist in the investigation
Began providing free credit monitoring and identity theft protection services
Established a dedicated call center staffed by clinicians to provide additional support services
Reinforced its policies and practices and implemented additional safeguards
Continues to monitor the internet and dark web to determine if data has been published
Changes made: Reinforced its policies and practices and implemented additional safeguards in an effort to prevent similar incidents from occurring in the future
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

Montana State AG+4d

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/change-healthcare-20240802.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: a80fa0b5e8eac1fe850ec51eec342a84fa73ccb5bb0080cc021895afbcd5a124

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityCHANGE HEALTHCARE INC.

Victim entityCHANGE HEALTHCARE INC.

Incidentdiscovered Feb 21, 2024

Stated responseDisconnected and turned off systems to prevent further impact

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov