HackingHealthcareProfessional ServicesHealthcareStolen CredentialsCapture Stored DataTargetedData ExfiltratedIdentity (basic)PIILowContained

Healthcare Services Group, Inc.

bd_7ca401b90e698895 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 7, 2024

Filed

Aug 26, 2025

To disclose

46 weeks

Affected

Not disclosed

Linked

16 filings

Confidence

64%

Full breach record for Healthcare Services Group, Inc. →

Healthcare Services Group, Inc. (HSGI) disclosed unauthorized access to its computer systems between September 27 and October 3, 2024. An unauthorized actor accessed and copied files containing personal information, including names and other data elements. HSGI secured systems, engaged in investigation, notified law enforcement and regulators, and offered credit monitoring services to affected individuals.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d46 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 · 10 days

discovery → filing · 46 weeks / 323 days

Sep 27, 2024

Begins

Oct 7, 2024

Discovered

Aug 26, 2025

Filed

vs. sector median

+34 wks slower

This filing is one of 16 about the same incident.View merged incident

A leak claim by underground about this victim predates this filing by 304 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Texas State AGbd_3c672d9cc70092502025-08-26Verified
New Hampshire State AGbd_2ff23a494fd0eb292025-08-25 · +1dVerified
Nebraska State AGbd_3d13d9954098db8f2025-08-25 · +1dVerified
Oregon State AGbd_4999f3b28468b2fa2025-08-25 · +1dVerified

Show 6 more filings ↓up to 7d gap

Washington State AGbd_4e84de9fffe373992025-08-25 · +1dVerified
Montana State AGbd_662a2f295d85c2662025-08-25 · +1dVerified
Vermont State AGbd_82a73cadd59014cd2025-08-25 · +1dVerified
Delaware State AGbd_846def17f6a32ff92025-08-25 · +1dVerified
Indiana State AGbd_e2af2ec1ac336df22025-08-25 · +1dVerified
Rhode Island State AGbd_dc5f8588b13682f72025-09-02 · +7dVerified

Showing first 10 of 15 linked disclosures.

Name: Healthcare Services Group, Inc.
norm: healthcare services
Domain: hcsgcorp.com

Name: Healthcare Services Group, Inc.
norm: healthcare services
Domain: hcsgcorp.com
Industry: HealthcarellmProfessional Servicesllm

Discovered: Oct 7, 2024
Breach occurred: Sep 27, 2024 – Oct 3, 2024
Undetected for: 10 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified relevant state and federal regulatorsNotified federal law enforcement
Initial access: valid_credentials

During the incident: Took steps to secure computer systems
Began an investigation to determine the nature and scope of the activity
Undertook an extensive review of the involved files
Implemented additional security measures to mitigate risk
Reviewed and enhanced existing policies and procedures relating to data protection and security
Notified relevant state and federal regulators
Notified federal law enforcement
Offered complimentary access to credit monitoring and identity restoration services through Experian
Changes made: Implemented additional security measures to mitigate risk associated with this event
Reviewed and enhanced existing policies and procedures relating to data protection and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 46 weeks(323 days from discovery to filing)
Compliance flags: Leak >180d
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 · 11 filings · 11 states

View merged incident ↗

New Hampshire State AGAug 25 · first

Nebraska State AGAug 25 · first

Oregon State AGAug 25 · first

Washington State AGAug 25 · first

Montana State AGAug 25 · first

Vermont State AGAug 25 · first

Delaware State AGAug 25 · first

Indiana State AGAug 25 · first

Texas State AG+1d

South Carolina State AG+1d · this page

Rhode Island State AG+8d

Pattern: first filing Aug 25 (NH), last Sep 2 (RI) — a 8-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 15 — 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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2025/Consumer%20Letter%20-%20Healthcare%20Services%20Group%2C%20Inc..pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 26, 2025
Raw hash: c8c401062ed4a6d29b8b100ca1085b8a968ed6d8497df3a89767b72f78344881

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityHealthcare Services Group, Inc.

Victim entityHealthcare Services Group, Inc.

Incidentdiscovered Oct 7, 2024

Stated responseTook steps to secure computer systems

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov