HackingHealthcareFinancial ServicesHealthcareVulnerability ExploitData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)Health (basic)CriticalContained

AmeriHealth Caritas Delaware, Inc.

bd_fc200d149fab8c15 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 28, 2024

Filed

Jul 1, 2024

To disclose

3 days

Affected

100,000scope not determined

Linked

2 filings

Confidence

64%

Full breach record for AmeriHealth Caritas Delaware, Inc. →2 incidents on file

Marigold, a third-party administrator for AmeriHealth Caritas Delaware, experienced a cybersecurity incident on June 28, 2024. An unauthorized party accessed a file server containing personally identifiable information (PII) and protected health information (PHI) of approximately 100,000 individuals. The breach involved the exploitation of a vulnerability in a public-facing application. AmeriHealth Caritas Delaware is notifying affected members and offering 12 months of credit monitoring services.

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Incident timeline

discovery → filing · 3 days

Jun 28, 2024

Begins

Jun 28, 2024

Discovered

Jul 1, 2024

Filed

vs. sector median

12 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_cf150eccb008a41e2024-07-01Verified

Name: Marigold, Inc.
norm: marigold

Name: AmeriHealth Caritas Delaware, Inc.
norm: amerihealth caritas delaware
Industry: HealthcarellmFinancial Servicesllm

Discovered: Jun 28, 2024
Breach occurred: Jun 28, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: Jul 1, 2024
Notification sent: —
Affected individuals: 100,000scope not determined
Data types: Government IDIdentity (basic)Health (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Engaged a third-party forensic firm to investigate the incident
Notified the Delaware Office of the Attorney General
Offered 12 months of free credit monitoring and identity theft protection services
Changes made: Worked with the third-party forensic firm to remediate the vulnerability
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 3 days(3 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

HHS OCRJul 1 · first

Delaware State AGJul 1 · first · this page

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://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2024/07/Member-breach-notification-letter_Marigold_Final_7.1.24.docx
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 1, 2024
Raw hash: 3676cde67cac75b6e578471f46cd4c7c563f034a51b57f3b9d55f3424d78f9ec

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMarigold, Inc.

Victim entityAmeriHealth Caritas Delaware, Inc.

Incidentdiscovered Jun 28, 2024

Stated responseEngaged a third-party forensic firm to investigate the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceattorneygeneral.delaware.gov