HackingEducationEducationStolen CredentialsCustomer Data InvolvedIdentity (basic)LowContained

Trustees of Thayer Academy

bd_6632ee50ea5f5528 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 4, 2023

Filed

Apr 10, 2023

To disclose

9 weeks

Affected

2state residents only

Linked

4 filings

Confidence

67%

Full breach record for Trustees of Thayer Academy →4 incidents on file

Thayer Academy notified the NH AG of unauthorized network access detected on Feb 4, 2023. Personal info of 2 NH residents was accessed. Notification sent April 5, 2023. Credit monitoring offered.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d9 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 · 9 weeks / 65 days

Feb 4, 2023

Discovered

Apr 10, 2023

Filed

vs. sector median

+2 wks slower

This filing is one of 4 about the same incident.View merged incident

A leak claim by 8base about this victim predates this filing by 62 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Site8basebd_96b5b139261130fb2023-02-07 · +62dVerified

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_36883f454589a2ec2023-04-05 · +5dVerified by operator
Vermont State AGbd_83e2da09ee9cc9c12023-04-04 · +6dCandidate

Name: Trustees of Thayer Academy
norm: trustees of thayer academy
Domain: thayer.org

Name: Trustees of Thayer Academy
norm: trustees of thayer academy
Domain: thayer.org
Industry: Educationllm

Discovered: Feb 4, 2023
Materiality determined: —
Notification sent: Apr 5, 2023
Affected individuals: 2state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Office of the Attorney General Consumer Protection Bureau
Initial access: valid_credentials

During the incident: Contained the threat
Commenced a prompt and thorough investigation with external cybersecurity professionals
Offering complimentary credit monitoring to the impacted residents
Set up a dedicated and confidential toll-free response line
Changes made: Offering complimentary two-year membership of Experian Identity Works Credit 3B
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(65 days from discovery to filing)
Compliance flags: Leak >30d
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 · 3 filings · 3 states

View merged incident ↗

Vermont State AGApr 4 · first

Massachusetts State AG+1d

New Hampshire State AG+6d · this page

Pattern: first filing Apr 4 (VT), last Apr 10 (NH) — a 6-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/thayer-academy-20230410.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 10, 2023
Raw hash: 6657f27c5bd9ae5d71b3ff7ef2eceda864a78df077ee48c9e5b6dd7a347e0c9c

Linked disclosures

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Reporting entityTrustees of Thayer Academy

Victim entityTrustees of Thayer Academy

Incidentdiscovered Feb 4, 2023

Stated responseContained the threat

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov