HackingEducationEducationData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Kents Hill School

bd_927ae0da37f28506 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 12, 2020

Filed

Jan 7, 2021

To disclose

8 weeks

Affected · nationwide

1,481692 in this filing

Linked

3 filings

Confidence

66%

Full breach record for Kents Hill School →2 incidents on file

Kents Hill School, an educational institution in Maine, reported a data breach involving its third-party vendor, Blackbaud, Inc. The incident, occurring between February 7, 2020, and May 20, 2020, was discovered on November 12, 2020. The breach affected 1,481 individuals, including 692 Maine residents. Compromised data included names and Social Security Numbers. The school provided 24 months of credit monitoring and identity theft protection services to affected individuals.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Nov 12, 2020 → Filed with AG Jan 7, 202156d ⏱ ME AG >30d8 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

undetected · 279 days

discovery → filing · 8 weeks / 56 days

Feb 7, 2020

Begins

Nov 12, 2020

Discovered

Jan 7, 2021

Filed

vs. sector median

1 wks faster

This filing is one of 3 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 (2) · sorted by filing gap

Massachusetts State AGbd_5dc6c2dcedf833b92021-01-07Verified
New Hampshire State AGbd_b7eb55ee5280e8062021-01-08 · +1dVerified

Name: Kents Hill School
norm: kents hill school
Industry: education

Name: Kents Hill School
norm: kents hill school
Industry: education
Industry: Educationllm

Discovered: Nov 12, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 279 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 7, 2021
Affected individuals: 1,481state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 24 months of credit monitoring and identity theft protection services through CyberScout
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 days from discovery to filing)
Compliance flags: ME AG >30d · 56d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Nov 12, 2020
→ Filed with AG: Jan 7, 2021
56d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 12, 2020 → Filed with AG: Jan 7, 2021	56d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGJan 7 · first

Maine State AGJan 7 · 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.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/b4590e7e-0428-49b0-8cd3-46f679e3fc04.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 7, 2021
Raw hash: a3a8bff402b38ad4ac828e6318176c8fd7f6d5f39f0297d15f2c91e2cbef0796

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityKents Hill School

Victim entityKents Hill School

Incidentdiscovered Nov 12, 2020

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov