HackingEducationEducationCustomer Data InvolvedData ExfiltratedDelayed DiscoveryIdentity (basic)Government IDHigh

Landon School Corporation

bd_30f303abd3e90d62 · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 29, 2020

Filed

Jan 22, 2021

To disclose

16 weeks

Affected · nationwide

4,6121 in this filing

Linked

4 filings

Confidence

65%

Full breach record for Landon School Corporation →

Landon School Corporation, an educational institution, reported an external system breach (hacking) that occurred on May 1, 2020, and was discovered on September 29, 2020. The breach affected 4,612 individuals, compromising their names and Social Security Numbers. The school notified affected individuals on January 22, 2021, and offered 12 months of identity protection services through IDX.

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Maine clockDiscovered Sep 29, 2020 → Filed with AG Jan 22, 2021115d ✗ ME AG >90d16 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 · 151 days

discovery → filing · 16 weeks / 115 days

May 1, 2020

Begins

Sep 29, 2020

Discovered

Jan 22, 2021

Filed

vs. sector median

+8 wks slower

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

New Hampshire State AGbd_0bf4676eed576e852021-01-22Verified
Massachusetts State AGbd_802a01c566d85b5d2021-01-22Verified
Indiana State AGbd_8dd345882668eb012021-01-22Verified

Name: Landon School Corporation
norm: landon school

Name: Landon School Corporation
norm: landon school
Industry: Educationllm

Discovered: Sep 29, 2020
Breach occurred: May 1, 2020
Undetected for: 151 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 22, 2021
Affected individuals: 4,612state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

During the incident: Provided 12 months of credit monitoring and identity protection services through IDX.
Sent written notification to affected consumers.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(115 days from discovery to filing)
Compliance flags: ME AG >90d · 115d
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: Sep 29, 2020
→ Filed with AG: Jan 22, 2021
115d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 29, 2020 → Filed with AG: Jan 22, 2021	115d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

New Hampshire State AGJan 22 · first

Massachusetts State AGJan 22 · first

Indiana State AGJan 22 · first

Maine State AGJan 22 · first · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/e7427eb2-a3e9-4a18-b32d-4e3a4e2e93f6.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 22, 2021
Raw hash: da5d7ea9e418382964764bdbccc4fb296b663a3bdb29490aa4a0cd85e8f93a08

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityLandon School Corporation

Victim entityLandon School Corporation

Incidentdiscovered Sep 29, 2020

Stated responseProvided 12 months of credit monitoring and identity protection services through IDX.

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov