UnknownGovernment IDFinancial accountMedium

Holderness School

bd_fce35c5de2aad0d4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 1, 2021

To disclose

—

Affected

503state residents only

Linked

4 filings

Confidence

95%

Full breach record for Holderness School →

Holderness School reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-03-01. 503 Massachusetts residents were affected. The report records the breach type as electronic.

J jump to incidentP pin to compareR raw source

Massachusetts clock✓ MA credit monitoring due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Mar 1, 2021

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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

Part of BLACKBAUD, INC. supply-chain incident (2020) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Montana State AGbd_322a06c8f7bff71f2021-03-01Verified
Maine State AGbd_33ad046cd66f8d752021-03-01Candidate
New Hampshire State AGbd_a954f6b831109e3d2021-03-02 · +1dVerified

Name: Holderness School
norm: holderness school

Name: Holderness School
norm: holderness school

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 503state-resident count only
Data types: Government IDFinancial account
Data elements: Social Security numberFinancial account number
Stated not affected: Driver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGMar 1 · first

Maine State AGMar 1 · first

Massachusetts State AGMar 1 · first · this page

New Hampshire State AG+1d

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/data-breach-report-2021/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 1, 2021
Raw hash: 096b34887d5bb517bf5442d11b2f49a1bd62dce536a83b3adbefa3d79c255abd

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityHolderness School

Victim entityHolderness School

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov