HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)PIIIdentity (basic)LowContained

CORPORATION SERVICE COMPANY

bd_a3800fdb6c97e0dc · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Aug 13, 2026

To disclose

—

Affected

Not disclosed

Linked

7 filings

Confidence

66%

Full breach record for CORPORATION SERVICE COMPANY →2 incidents on file

Corporation Service Company (CSC) notified the California Attorney General of an incident where an unauthorized actor accessed a third-party hosted database between August 10, 2025, and August 25, 2025, copying certain files. A review completed on July 15, 2026, determined that some individuals' information was impacted. CSC engaged forensic specialists, secured the network, and is offering 12 months of credit monitoring to affected individuals. The notice specifically mentions approximately 61 Rhode Island residents may be impacted.

J jump to incidentP pin to compareR raw source

Incident timeline

Aug 10, 2025

Begins

Aug 13, 2026

Filed

This filing is one of 7 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

New Hampshire State AGbd_18acd743a8c915ad2026-08-13Verified
Indiana State AGbd_2e59204d2f6bad2e2026-08-13Verified
Massachusetts State AGbd_b124658ed9aea1e52026-08-13Verified
Vermont State AGbd_eea5a7585b1a7acd2026-08-13Candidate

Show 2 more filings ↓up to 12d gap

Texas State AGbd_f81c597533fb2d442026-08-14 · +1dVerified
Illinois State AGbd_f8817df2ada5e6a62026-08-01 · +12dVerified

Name: CORPORATION SERVICE COMPANY
norm: corporation service

Name: CORPORATION SERVICE COMPANY
norm: corporation service
Industry: Professional Servicesllm

Discovered: —
Breach occurred: Aug 10, 2025 – Aug 25, 2025
Materiality determined: —
Notification sent: Aug 13, 2026
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Third party: via Third-party hosted database provider

During the incident: Immediately took steps to secure the network
Initiated an investigation with the assistance of third-party forensic specialists
Engaged a third party to conduct a comprehensive review of the files at risk
Implemented additional safeguards
Reviewed policies and procedures relating to data privacy and security
Offering 12 months of Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no cost
Changes made: Implemented additional safeguards
Reviewed policies and procedures relating to data privacy and security
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Illinois State AGAug 1 · first

New Hampshire State AG+12d

Indiana State AG+12d

Massachusetts State AG+12d

Vermont State AG+12d

California State AG+12d · this page

Texas State AG+13d

Pattern: first filing Aug 1 (IL), last Aug 14 (TX) — a 13-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/sb24-628224
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 13, 2026
Raw hash: 595d47447fd5dd7c4fa82540443cb9308de3f52680e54b2f7001de412b0cb7b3

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityCORPORATION SERVICE COMPANY

Victim entityCORPORATION SERVICE COMPANY

IncidentUnauthorized Access

Stated responseImmediately took steps to secure the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov