HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedPHIIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

CHANGE HEALTHCARE INC.

bd_6999730badb3aebb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 21, 2024

Filed

Aug 3, 2024

To disclose

23 weeks

Affected

Not disclosed

Linked

14 filings

Confidence

64%

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

Change Healthcare Inc. disclosed a data breach where a cybercriminal accessed its computer system without permission between February 17 and February 20, 2024. The unauthorized access was detected on February 21, 2024. The incident involved the exfiltration of protected health information (PHI), including medical records, diagnoses, and treatments, as well as personally identifiable information (PII) such as names, addresses, Social Security numbers, and financial data including payment cards and bank account numbers. Change Healthcare contained the incident by shutting down systems, engaged law enforcement and forensic investigators, and is offering two years of credit monitoring and identity theft protection to affected individuals.

J jump to incidentP pin to compareR raw source

California clockDiscovered Feb 21, 2024 → Notified Jul 29, 2024159d ✗ CA 60-day late23 weeks discovery → filing

Incident timeline

undetected · 4 days

discovery → filing · 23 weeks / 164 days

Feb 17, 2024

Begins

Feb 21, 2024

Discovered

Aug 3, 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

Oregon State AGbd_788f5843714453cb2024-08-03Verified
Massachusetts State AGbd_969ae8733a313abf2024-08-03Verified
Washington State AGbd_dc48a09555e80a912024-08-03Verified
Montana State AGbd_20fef244fbf67f712024-08-02 · +1dVerified

Show 6 more filings ↓up to 90d gap

New Hampshire State AGbd_546b3d03391ed1822024-08-02 · +1dVerified
South Carolina State AGbd_6c170b3ed5a97da52024-08-05 · +2dVerified
Illinois State AGbd_475102911ae1328e2024-08-01 · +2dVerified
Vermont State AGbd_1467986906075ca02024-07-29 · +5dVerified
Oregon State AGbd_1091c4bb67ec440a2024-09-16 · +44dVerified
Illinois State AGbd_99990548386b282d2024-11-01 · +90dVerified

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: Healthcarellm

Discovered: Feb 21, 2024
Breach occurred: Feb 17, 2024 – Feb 20, 2024
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 29, 2024
Affected individuals: Not disclosed
Data types: PHIIdentity (basic)Government IDFinancial accountHealth (basic)
Data elements: Date of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Took steps to stop that activity
Began investigating right away
Hired a special team to help us
Called law enforcement
Turned off CHC’s systems to help protect our customers and their individuals
Changes made: Making our computer systems even stronger than before
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(164 days from discovery to filing)
Compliance flags: CA 60-day late · 159d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Feb 21, 2024
→ Notified: Jul 29, 2024
159d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Feb 21, 2024 → Notified: Jul 29, 2024	159d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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

Oregon State AG+5d

Massachusetts State AG+5d

Washington State AG+5d

California State AG+5d · this page

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://oag.ca.gov/ecrime/databreach/reports/sb24-589771
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 3, 2024
Raw hash: 9166fe07090a5569a4a245915709fabfcd6d1733684786019634f5535dc18602

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityCHANGE HEALTHCARE INC.

Victim entityCHANGE HEALTHCARE INC.

Incidentdiscovered Feb 21, 2024

Stated responseTook steps to stop that activity

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov