HackingEducationEducationData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Hathaway Brown School

bd_bdb4a74ef8adcb82 · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 14, 2020

Filed

Nov 19, 2020

To disclose

5 weeks

Affected · nationwide

1,7901 in this filing

Linked

4 filings

Confidence

66%

Full breach record for Hathaway Brown School →2 incidents on file

Hathaway Brown School, an educational institution in Ohio, experienced an external system breach between February 7, 2020, and May 20, 2020. The incident was discovered on October 14, 2020. The breach compromised the names and Social Security Numbers of 1,790 individuals, including one Maine resident. The school provided written notification on November 13, 2020, and offered 24 months of complimentary credit monitoring through Cyberscout.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Oct 14, 2020 → Filed with AG Nov 19, 202036d ⏱ ME AG >30d5 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 · 250 days

discovery → filing · 5 weeks / 36 days

Feb 7, 2020

Begins

Oct 14, 2020

Discovered

Nov 19, 2020

Filed

vs. sector median

3 wks faster

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

Massachusetts State AGbd_5a1cd288eec6de812020-11-19Verified
New Hampshire State AGbd_ad1fc6481ed333c22020-11-24 · +5dVerified
Indiana State AGbd_b8494d35a004ad772020-11-13 · +6dVerified

Name: Hathaway Brown School
norm: hathaway brown school

Name: Hathaway Brown School
norm: hathaway brown school
Industry: Educationllm

Discovered: Oct 14, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 250 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 13, 2020
Affected individuals: 1,790state + 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
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 24 months complimentary credit monitoring through Cyberscout
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(36 days from discovery to filing)
Compliance flags: ME AG >30d · 36d
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: Oct 14, 2020
→ Filed with AG: Nov 19, 2020
36d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 14, 2020 → Filed with AG: Nov 19, 2020	36d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGNov 13 · first

Massachusetts State AG+6d

Maine State AG+6d · this page

New Hampshire State AG+11d

Pattern: first filing Nov 13 (IN), last Nov 24 (NH) — a 11-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/08cfdfa2-c2ab-4a2b-a7bd-d89b7a49318e.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 19, 2020
Raw hash: e572f82b44c7575ca6665f6e5c93b68190349fcb3b44bf14552e592f0ee0cf3f

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityHathaway Brown School

Victim entityHathaway Brown School

Incidentdiscovered Oct 14, 2020

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov