HackingTechnologyInformationVulnerability ExploitZero-DayData ExfiltratedSupply Chain (3P Vendor)Identity (basic)Government IDFinancial accountFinancial credentialsMediumContained

PAREXEL INTERNATIONAL, INC.

bd_7934ff5031310fd3 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Oct 4, 2025

Filed

Dec 17, 2025

To disclose

—

Affected

Not disclosed

Linked

10 filings

Confidence

66%

Full breach record for PAREXEL INTERNATIONAL, INC. →

Parexel International LLC reported a security incident involving a third-party vendor (Oracle) hosting its Oracle E-Business Suite. On October 4, 2025, suspicious activity was detected stemming from a zero-day exploit in Oracle's cloud infrastructure. The incident involved unauthorized access to files containing personal information, including names, dates of birth, financial account numbers, payment card numbers, and Social Security numbers. Parexel disconnected the affected environment, applied the vendor's patch, and offered 24 months of complimentary credit monitoring to affected individuals. Notices were sent on December 17, 2025.

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Incident timeline

Oct 4, 2025

Discovered

Dec 17, 2025

Filed

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
New Hampshire State AGbd_5cf5bdff6a9f9cde2025-12-17Verified
Montana State AGbd_5fa13ba676bcd1232025-12-17Verified

Show 5 more filings ↓up to 16d gap

California State AGbd_7678d521c76b2a6b2025-12-17Verified
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: Technologyllm

Discovered: Oct 4, 2025
Materiality determined: —
Notification sent: Dec 17, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountFinancial credentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1486 Data Encrypted for Impact
Threat actor: External
Initial access: exploit_public_facing

During the incident: Engaged third-party cybersecurity experts to investigate
Disconnected Oracle EBS from our network
Applied the patch addressing the zero-day vulnerability
Changes made: Offered 24 months of complimentary credit monitoring and identity theft resolution services
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 · 10 filings · 10 states

View merged incident ↗

Illinois State AGDec 1 · first

Texas State AG+16d

Massachusetts State AG+16d

New Hampshire State AG+16d

Montana State AG+16d

California State AG+16d

Vermont State AG+16d

Maine State AG+16d

Indiana State AG+16d

Nebraska State AG+16d · this page

Pattern: first filing Dec 1 (IL), last Dec 17 (NE) — 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://nebraska.gov/ago/data-breach/documents/19c6c5a9-795b-4054-bd05-2586c105edfa.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: 395aafc93c1b376f222d8c9a9608e18ed2bead859750988eceda3187845741e9

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityPAREXEL INTERNATIONAL, INC.

Victim entityPAREXEL INTERNATIONAL, INC.

Incidentdiscovered Oct 4, 2025

Stated responseEngaged third-party cybersecurity experts to investigate

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov