HackingEducationEducationHacking OtherCustomer Data InvolvedGovernment IDMediumResolved

Rumsey Hall School

bd_c86be1d36319b8ca · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 13, 2020

Filed

Mar 9, 2021

To disclose

21 weeks

Affected · nationwide

5862 in this filing

Linked

2 filings

Confidence

50%

Full breach record for Rumsey Hall School →

Rumsey Hall School, an educational institution, reported a data breach affecting 586 individuals, including 2 Maine residents. The breach, which was discovered on October 13, 2020, and occurred on April 18, 2020, involved an external system hack. The compromised information includes names combined with driver's license or non-driver identification card numbers. The school began notifying affected individuals on March 9, 2021, and offered two years of credit monitoring services through CyberScout.

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Maine clockDiscovered Oct 13, 2020 → Filed with AG Mar 9, 2021147d ✗ ME AG >90d21 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 · 178 days

discovery → filing · 21 weeks / 147 days

Apr 18, 2020

Begins

Oct 13, 2020

Discovered

Mar 9, 2021

Filed

vs. sector median

+12 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_5b57b7ba48b698b72021-03-09Verified

Name: Rumsey Hall School
norm: rumsey hall school
Industry: Education

Name: Rumsey Hall School
norm: rumsey hall school
Industry: Education
Industry: Educationllm

Discovered: Oct 13, 2020
Breach occurred: Apr 18, 2020
Undetected for: 178 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 9, 2021
Affected individuals: 586state + nationwide
Data types: Government ID
Data elements: Driver's licence number
Attack vector: Unauthorized Access
Threat actor: External

Changes made: Offered two (2) years of credit monitoring services through CyberScout.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(147 days from discovery to filing)
Compliance flags: ME AG >90d · 147dME resident >60d · 147d
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 13, 2020
→ Filed with AG: Mar 9, 2021
147d 90 days ME AG >90d
Maine
Discovered: Oct 13, 2020
→ Notified: Mar 9, 2021
147d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 13, 2020 → Filed with AG: Mar 9, 2021	147d	90 days	ME AG >90d
Maine	Discovered: Oct 13, 2020 → Notified: Mar 9, 2021	147d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGMar 9 · first

Maine State AGMar 9 · 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-a1252b4f8318/5cdc8053-8d42-4672-ad46-3ccf070527de.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 9, 2021
Raw hash: cf92fa893d99317108e875e60378b5db79a6ec77dbd4d77d96c314554dded86f

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityRumsey Hall School

Victim entityRumsey Hall School

Incidentdiscovered Oct 13, 2020

Stated responseOffered two (2) years of credit monitoring services through CyberScout.

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov