HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

CORPORATION SERVICE COMPANY

bd_a3800fdb6c97e0dc · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 10, 2025

Filed

Aug 13, 2026

To disclose

12 months

Affected

Not disclosed

Linked

6 filings

Confidence

65%

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

Corporation Service Company (CSC) notified California AG in August 2026 regarding a data event occurring between August 10-25, 2025. An unauthorized actor accessed a third-party hosted database and copied files. CSC engaged forensic specialists and offered 12 months of credit monitoring. The specific data types were redacted in the public notice, but the letter implies PII/identity data. No ransom was demanded.

J jump to incidentP pin to compareR raw source

California clockDiscovered Aug 10, 2025 → Notified Aug 13, 2026368d ✗ CA 60-day late12 months discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 12 months / 368 days

Aug 10, 2025

Begins

Aug 10, 2025

Discovered

Aug 13, 2026

Filed

vs. sector median

+38 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

New Hampshire State AGbd_18acd743a8c915ad2026-08-13Verified
Massachusetts State AGbd_b124658ed9aea1e52026-08-13Verified
Vermont State AGbd_eea5a7585b1a7acd2026-08-13Candidate
Texas State AGbd_f81c597533fb2d442026-08-14 · +1dVerified

Show 1 more filing ↓up to 12d gap

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: Aug 10, 2025
Breach occurred: Aug 10, 2025 – Aug 25, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 13, 2026
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Initial access: exploit_public_facing

During the incident: Initiated an investigation into the nature and scope of the event with the assistance of third-party forensic specialists
Engaged a third party to conduct a comprehensive and time-consuming review of the files at risk
Took steps to implement additional safeguards and review our policies and procedures relating to data privacy and security
Offering you with access to 12 months of Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no cost to you
Changes made: Took steps to implement additional safeguards and review our policies and procedures relating to data privacy and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 months(368 days from discovery to filing)
Compliance flags: CA 60-day late · 368d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Aug 10, 2025
→ Notified: Aug 13, 2026
368d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Aug 10, 2025 → Notified: Aug 13, 2026	368d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Illinois State AGAug 1 · first

New Hampshire 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 (5) · sorted by filing gap

Reporting entityCORPORATION SERVICE COMPANY

Victim entityCORPORATION SERVICE COMPANY

Incidentdiscovered Aug 10, 2025

Stated responseInitiated an investigation into the nature and scope of the event with the assistance of third-party forensic specialists

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov