HackingRetail & ConsumerRetailVulnerability ExploitCapture Stored DataData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Financial accountFinancial credentialsIdentity (basic)LowContained

Pioneer International Group, Inc

bd_4bf3b342ffa9fac5 · schema v1 · pii pii-v2

Severity

Low

Discovered

Aug 10, 2026

Filed

Sep 1, 2026

To disclose

—

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for Pioneer International Group, Inc →

Pioneer International Inc. disclosed a data breach affecting its website pioneerstudent.com. An unauthorized party exploited a vulnerability in a third-party software extension to install code capturing payment card data (card number, expiration, security code) and personal info (name, billing address, email) during two periods: June 18-July 22, 2026, and August 4-10, 2026. The incident was discovered on August 10, 2026. The company removed the code, patched the vulnerability, rotated credentials, and offered identity protection services.

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Incident timeline

undetected · 55 days

Jun 16, 2026

Begins

Aug 10, 2026

Discovered

Sep 1, 2026

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

New Hampshire State AGbd_edab483f2b1063632026-09-03 · +2dVerified

Name: Pioneer International Group, Inc
norm: pioneer international
Domain: pioneerstudent.com

Name: Pioneer International Group, Inc
norm: pioneer international
Domain: pioneerstudent.com
Industry: Retail & Consumerllm

Discovered: Aug 10, 2026
Breach occurred: Jun 16, 2026 – Aug 10, 2026
Undetected for: 55 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 3, 2026
Affected individuals: Not disclosed
Data types: Financial accountFinancial credentialsIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1056 Input Capture
Threat actor: ExternalFinancial
Third party: via third-party software extension provider
Initial access: exploit_public_facing

During the incident: Removed the unauthorized code from our website
Disabled the unauthorized access that made it possible
Engaged outside forensic investigators and outside legal counsel to investigate the scope of the incident
Notified our payment processor and payment card networks
Changes made: Patching the vulnerability that allowed unauthorized access
Updating the affected third-party software to its current, vendor-supported version
Rotating encryption keys and credentials used by our website
Requiring all customer accounts to reset their passwords
Working to move payment card entry on our website to a more secure, hosted checkout process that removes raw card data from our own servers
Offering identity theft protection services through IDX
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 · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGSep 1 · first · this page

New Hampshire State AG+2d

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/2026-1476-pioneer-international-inc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 1, 2026
Raw hash: 1ca249b5b95af9bb89241417d98f4b983d295a342af11bc3b6e38a25d62d4239

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityPioneer International Group, Inc

Victim entityPioneer International Group, Inc

Incidentdiscovered Aug 10, 2026

Stated responseRemoved the unauthorized code from our website

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov