UnknownGovernment IDMedium

CORPORATION SERVICE COMPANY

bd_b124658ed9aea1e5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Aug 13, 2026

To disclose

—

Affected

500state residents only

Linked

6 filings

Confidence

95%

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

Corporation Service Company reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2026-08-13. 500 Massachusetts residents were affected.

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Massachusetts clock✓ MA credit monitoring due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Aug 13, 2026

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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
California State AGbd_a3800fdb6c97e0dc2026-08-13Verified
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

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 500state-resident count only
Data types: Government ID
Data elements: Social Security numberDriver's licence number
Stated not affected: Medical informationFinancial account numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown
Threat actor: External

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

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

California State AG+12d

Vermont State AG+12d

Massachusetts 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://www.mass.gov/doc/data-breach-report-2026/download
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: 0818c35302979678f28eb9fd5986bacebe428bec7c497de51a13ed6725bae33a

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCORPORATION SERVICE COMPANY

Victim entityCORPORATION SERVICE COMPANY

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov