HackingTechnologyProfessional ServicesInformationVulnerability ExploitZero-DayData ExfiltratedSupply Chain (3P Vendor)Identity (basic)Government IDFinancial accountMediumContained

PAREXEL INTERNATIONAL, INC.

bd_937062a523a21f33 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 4, 2025

Filed

Dec 17, 2025

To disclose

11 weeks

Affected

Not disclosed

Linked

10 filings

Confidence

65%

Full breach record for PAREXEL INTERNATIONAL, INC. →

Parexel International notified consumers of a data breach involving a third-party vendor (Oracle) on October 4, 2025. A zero-day exploit in Oracle's cloud infrastructure allowed unauthorized access to files containing personal information (names, DOBs, SSNs, financial data). Parexel disconnected the environment, applied patches, and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday11 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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
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
Nebraska State AGbd_7934ff5031310fd32025-12-17Verified
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: TechnologyllmProfessional Servicesllm

Discovered: Oct 4, 2025
Materiality determined: —
Notification sent: Dec 17, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Date of birth
Attack vector: Misconfiguration
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed notice with the Office of the Vermont Attorney General
Third party: via Oracle
Initial access: exploit_public_facing

During the incident: Immediately disconnected Oracle EBS from our network
Applied the patch addressing the zero-day vulnerability as soon as it was made available by Oracle
Engaged third-party cybersecurity experts to investigate
Conducted an in-depth review of the files to understand what information may have been involved
Offering 24 months of complimentary credit monitoring and identity theft resolution services
Changes made: Applied the patch addressing the zero-day vulnerability
Following the guidance of Oracle and cybersecurity partners to ensure ongoing security of the Oracle environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(74 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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

Nebraska State AG+16d

Maine State AG+16d

Indiana State AG+16d

Vermont State AG+16d · this page

Pattern: first filing Dec 1 (IL), last Dec 17 (VT) — 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://ago.vermont.gov/document/2025-12-17-parexel-international-data-breach-notice-consumers
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: d3b945124cbe11e653bd1caa56d53d685d208aa83ff4ee26eb012549d91d159a

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityPAREXEL INTERNATIONAL, INC.

Victim entityPAREXEL INTERNATIONAL, INC.

Incidentdiscovered Oct 4, 2025

Stated responseImmediately disconnected Oracle EBS from our network

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov