HackingEducationEducationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Washington International School

bd_62b009643a9af6af · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 29, 2026

Filed

Apr 2, 2026

To disclose

9 weeks

Affected

2state residents only

Linked

6 filings

Confidence

67%

Full breach record for Washington International School →3 incidents on file

Washington International School notified the New Hampshire Attorney General of a data security event discovered on January 29, 2026. The incident involved unauthorized copying of personal information, including names, Social Security numbers, and account/routing numbers, affecting 2 New Hampshire residents. The school engaged forensic specialists and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 9 weeks / 63 days

Jan 29, 2026

Discovered

Apr 2, 2026

Filed

This filing is one of 6 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_35caac8997e287892026-04-02Candidate
Massachusetts State AGbd_628a228c05d9a2bc2026-04-02Verified
Indiana State AGbd_7bb3f31eb5040dad2026-04-02Candidate
Vermont State AGbd_81dcf7a0a997341c2026-04-02Verified

Show 1 more filing ↓up to 1d gap

Nebraska State AGbd_e1e02f0bc63e97342026-04-01 · +1dVerified

Name: Washington International School
norm: washington international school

Name: Washington International School
norm: washington international school
Industry: Educationllm

Discovered: Jan 29, 2026
Materiality determined: —
Notification sent: Apr 2, 2026
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unknown
MITRE ATT&CK: T1119 Automated Collection
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau

During the incident: Retained legal counsel and third-party forensic specialists
Engaged a specialized cybersecurity firm to conduct a forensic investigation
Began identifying the affected individuals in preparation for notice
Offered at least 12 months of complimentary credit monitoring and identity theft restoration services through TransUnion
Changes made: Provided guidance on how to better protect against identity theft and fraud
Provided information on how to place a fraud alert and security freeze on one’s credit file
Provided contact details for the national consumer reporting agencies
Provided information on how to obtain a free credit report
Provided a reminder to remain vigilant for incidents of fraud and identity theft by reviewing account statements and monitoring free credit reports
Provided contact details for the Federal Trade Commission
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(63 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

Nebraska State AGApr 1 · first

Indiana State AG+1d

Massachusetts State AG+1d

Indiana State AG+1d

Vermont State AG+1d

New Hampshire State AG+1d · this page

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/washington-international-school-20260402.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 2, 2026
Raw hash: fdfe4fae3eac141b4210fc03218e9d0d45323fbf414502f5d2b14b89d41d6387

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityWashington International School

Victim entityWashington International School

Incidentdiscovered Jan 29, 2026

Stated responseRetained legal counsel and third-party forensic specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov