HackingProfessional ServicesHealthcareProfessional ServicesVulnerability ExploitZero-DaySupply Chain (3P Vendor)Employee Data InvolvedData ExfiltratedIdentity (basic)Government IDFinancial accountEmploymentHighContained

PAREXEL INTERNATIONAL, INC.

bd_5cf5bdff6a9f9cde · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 4, 2025

Filed

Dec 17, 2025

To disclose

11 weeks

Affected

1,151state residents only

Linked

10 filings

Confidence

67%

Full breach record for PAREXEL INTERNATIONAL, INC. →

Parexel International, LLC detected a security incident on October 4, 2025, involving a zero-day vulnerability in Oracle E-Business Suite. An unauthorized individual accessed and potentially acquired employee data, including names, SSNs, dates of birth, and financial account numbers. The incident affected 1,151 New Hampshire residents. Parexel applied patches, engaged forensic experts, and notified law enforcement. Notifications were sent on December 17, 2025, with 24 months of credit monitoring offered.

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Incident timeline

discovery → filing · 11 weeks / 74 days

Oct 4, 2025

Discovered

Dec 17, 2025

Filed

vs. sector median

8 wks faster

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
Massachusetts State AGbd_56f59d1075c371fc2025-12-17Verified
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
Industry: Professional ServicesllmHealthcarellm

Discovered: Oct 4, 2025
Materiality determined: —
Notification sent: Dec 17, 2025
Affected individuals: 1,151state-resident count only
Data types: Identity (basic)Government IDFinancial accountEmployment
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain Compromise
Threat actor: External
Regulator citations: Notified U.S. federal law enforcement
Initial access: exploit_public_facing

During the incident: Immediately began working with Oracle and external cybersecurity experts to investigate
Applied the security patch published by Oracle on October 5, 2025
Notified U.S. federal law enforcement
Disconnected Oracle EBS from our network
Conducted an in-depth review of the files to understand what information may have been involved
Changes made: Implementing a web application firewall
Enhancing logging and retention for the Oracle EBS application
Working with Oracle to implement potential security solutions and controls available through Oracle
Offering 24 months of complimentary credit monitoring services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(74 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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

Massachusetts 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

New Hampshire State AG+16d · this page

Pattern: first filing Dec 1 (IL), last Dec 17 (NH) — 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://mm.nh.gov/files/uploads/doj/remote-docs/parexel-international-oracle-e-business-suite-20251217.pdf
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: d56e507dbf66dc0e2df22f29912798a0c8f02757afd106ddc362386e43c35cac

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityPAREXEL INTERNATIONAL, INC.

Victim entityPAREXEL INTERNATIONAL, INC.

Incidentdiscovered Oct 4, 2025

Stated responseImmediately began working with Oracle and external cybersecurity experts to investigate

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov