HackingEducationEducationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Georgetown Preparatory School

bd_f86b8d4a23889eb3 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 13, 2025

Filed

Sep 3, 2025

To disclose

16 weeks

Affected · nationwide

5591 in this filing

Confidence

66%

Full breach record for Georgetown Preparatory School →

Georgetown Preparatory School reported an external system breach (hacking) on May 13, 2025, affecting 559 individuals, including 1 Maine resident. The incident involved unauthorized access and copying of files containing names and Social Security numbers. The school engaged forensic specialists, secured the network, and notified affected individuals on September 3, 2025, offering 12 months of identity monitoring through Kroll.

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Maine clockDiscovered May 13, 2025 → Filed with AG Sep 3, 2025113d ✗ ME AG >90d16 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 16 weeks / 113 days

May 13, 2025

Begins

May 13, 2025

Discovered

Sep 3, 2025

Filed

vs. sector median

+8 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed559 affectedView incident

Name: Georgetown Preparatory School
norm: georgetown preparatory school
Industry: Education

Name: Georgetown Preparatory School
norm: georgetown preparatory school
Industry: Education
Industry: Educationllm

Discovered: May 13, 2025
Breach occurred: May 13, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 3, 2025
Affected individuals: 559state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Locked down and secured network and systems
Engaged third-party cybersecurity specialists to assist with response and conduct forensic investigation
Commenced extensive review of potentially impacted files
Completed cataloging of all individuals and their up-to-date address information
Secured services of Kroll to provide identity monitoring
Implementing additional technical safeguards and enhanced security measures
Changes made: Implementing additional technical safeguards
Enhanced security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(113 days from discovery to filing)
Compliance flags: ME AG >90d · 113d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 13, 2025
→ Filed with AG: Sep 3, 2025
113d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 13, 2025 → Filed with AG: Sep 3, 2025	113d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

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/e3cafdce-1dfa-41ce-a443-71828c86275b.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 3, 2025
Raw hash: 8b27b44d958eb6980fcc3522930f90693be71b073ac228f8f32afa16e3c36cc7

Reporting entityGeorgetown Preparatory School

Victim entityGeorgetown Preparatory School

Incidentdiscovered May 13, 2025

Stated responseLocked down and secured network and systems

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov