UnknownGovernment IDFinancial accountPCIHigh

PAREXEL INTERNATIONAL, INC.

bd_56f59d1075c371fc · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Dec 17, 2025

To disclose

—

Affected

5,259state residents only

Linked

10 filings

Confidence

95%

Full breach record for PAREXEL INTERNATIONAL, INC. →

Parexel International, LLC reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-12-17. 5,259 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

Dec 17, 2025

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 10 about the same incident.View merged incident

Part of ORACLE CORPORATION supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Texas State AGbd_0288fc926d272d312025-12-17Candidate
New Hampshire State AGbd_5cf5bdff6a9f9cde2025-12-17Verified
Montana State AGbd_5fa13ba676bcd1232025-12-17Verified
California State AGbd_7678d521c76b2a6b2025-12-17Verified

Show 5 more filings ↓up to 16d gap

Nebraska State AGbd_7934ff5031310fd32025-12-17Verified
Vermont State AGbd_937062a523a21f332025-12-17Verified
Maine State AGbd_a687dffb1206e0f02025-12-17Verified
Indiana State AGbd_a9becd46a78217912025-12-17Verified
Illinois State AGbd_101fe08b342583c62025-12-01 · +16dVerified

Name: PAREXEL INTERNATIONAL, INC.
norm: parexel international

Name: PAREXEL INTERNATIONAL, INC.
norm: parexel international

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 5,259state-resident count only
Data types: Government IDFinancial accountPCI
Data elements: Social Security numberFinancial account numberPayment card number
Stated not affected: Medical informationDriver's licence number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

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 · 10 filings · 10 states

View merged incident ↗

Illinois State AGDec 1 · first

Texas State AG+16d

New Hampshire State AG+16d

Montana State AG+16d

California State AG+16d

Nebraska State AG+16d

Vermont State AG+16d

Maine State AG+16d

Indiana State AG+16d

Massachusetts State AG+16d · this page

Pattern: first filing Dec 1 (IL), last Dec 17 (MA) — a 16-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-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 17, 2025
Raw hash: 237e83d32bfe2e5f10411d0927b61895aef7aa93fe0c370baf67b4b42a4473fc

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityPAREXEL INTERNATIONAL, INC.

Victim entityPAREXEL INTERNATIONAL, INC.

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov