HackingEducationEducationStolen CredentialsPhishingData ExfiltratedDelayed DiscoveryTargetedPIIIdentity (basic)CredentialsMediumContained

Greater Amsterdam School District

bd_bb1d6344f2bdccc7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 31, 2025

Filed

Aug 28, 2025

To disclose

28 days

Affected · nationwide

13,8212 in this filing

Linked

5 filings

Confidence

66%

Full breach record for Greater Amsterdam School District →

Greater Amsterdam School District reported an unauthorized access to email accounts from Nov 12, 2023 to Feb 28, 2024. The breach was discovered on July 31, 2025, after a comprehensive review. Approximately 13,821 individuals were affected, including 2 Maine residents. Notification was sent on August 27, 2025. The incident involved external hacking via compromised credentials.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jul 31, 2025 → Filed with AG Aug 28, 202528d ✓ ME AG ≤30d28 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 627 days

discovery → filing · 28 days

Nov 12, 2023

Begins

Jul 31, 2025

Discovered

Aug 28, 2025

Filed

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_1fc1fb25fd05daaa2025-08-28Verified
Indiana State AGbd_404cab907fdc51582025-08-27 · +1dVerified
Vermont State AGbd_d412db5228fb79092025-08-27 · +1dCandidate
New Hampshire State AGbd_aa04d2e514e096b92025-09-02 · +5dVerified

Name: Greater Amsterdam School District
norm: greater amsterdam school district

Name: Greater Amsterdam School District
norm: greater amsterdam school district
Industry: Educationllm

Discovered: Jul 31, 2025
Breach occurred: Nov 12, 2023 – Feb 28, 2024
Undetected for: 627 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 27, 2025
Affected individuals: 13,821state + nationwide
Data types: PIIIdentity (basic)Credentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Filed notification with Maine Attorney General
Initial access: valid_credentials

During the incident: Engaged third-party cybersecurity experts to conduct an investigation
Engaged third-party forensic and legal experts to assist in the investigation
Sent a communication to our community on May 28, 2024
Took immediate steps to secure our systems
Changes made: Continue to review and further enhance protections as part of our ongoing commitment to data security
Continually evaluate and modify practices and internal controls to enhance the security and privacy of your personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 days(28 days from discovery to filing)
Compliance flags: ME AG ≤30d · 28d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jul 31, 2025
→ Filed with AG: Aug 28, 2025
28d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 31, 2025 → Filed with AG: Aug 28, 2025	28d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGAug 27 · first

Vermont State AGAug 27 · first

Massachusetts State AG+1d

Maine State AG+1d · this page

New Hampshire State AG+6d

Pattern: first filing Aug 27 (IN), last Sep 2 (NH) — a 6-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-a1252b4f8318/4d1ea5d8-abd9-44fa-ad79-647d1b11295e.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 28, 2025
Raw hash: 7ac1ed9d0ff05d096ef4331abcd48a4e753bec9027fd6161ed6ab4b6dca75af7

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityGreater Amsterdam School District

Victim entityGreater Amsterdam School District

Incidentdiscovered Jul 31, 2025

Stated responseEngaged third-party cybersecurity experts to conduct an investigation

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov