HackingEducationEducationCustomer Data InvolvedTargetedIdentity (basic)MediumContained

Webb Institute

bd_0407181e89c79383 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 23, 2025

Filed

Jul 14, 2025

To disclose

7 weeks

Affected · nationwide

1,52036 in this filing

Linked

5 records

Confidence

66%

Full breach record for Webb Institute →

Webb Institute, an educational institution, disclosed a criminal cyberattack (hacking) occurring on September 15, 2024, discovered on May 23, 2025. The incident affected 1,520 individuals, including 36 Maine residents. PII, including names, was accessed. The Institute engaged third-party experts, reset passwords, deployed EDR, and offered 12 months of credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d7 weeks 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 · 250 days

discovery → filing · 7 weeks / 52 days

Sep 15, 2024

Begins

May 23, 2025

Discovered

Jul 14, 2025

Filed

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

A leak claim by inc_ransom about this victim was first seen 251 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinc_ransombd_525573b2af5c5cea2024-09-15 · +302dVerified by operator

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_35dfd42266cac3232025-07-14Verified by operator
Indiana State AGbd_980991188722c6b62025-07-14Verified by operator
Vermont State AGbd_db63a8efb92361f02025-07-14Verified

Name: Webb Institute
norm: webb institute
Domain: webb.edu
Industry: Education

Name: Webb Institute
norm: webb institute
Domain: webb.edu
Industry: Education
Industry: Educationllm

Discovered: May 23, 2025
Breach occurred: Sep 15, 2024
Undetected for: 250 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 15, 2025
Affected individuals: 1,520state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Commenced an investigation of the Incident, with assistance from third party experts
Undertook data mining and manually reviewing the contents of files
Offering complimentary access to Experian IdentityWorks for 12 months
Changes made: Deployed a round-the-clock endpoint detection and response solution
Implemented a rotation of privileged account passwords
Performed a full Kerberos reset to clear any potentially compromised session keys
Forced the reset of passwords
Updated policies related to access controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(52 days from discovery to filing)
Compliance flags: Leak >180dME AG >30d · 52d
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: May 23, 2025
→ Filed with AG: Jul 14, 2025
52d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 23, 2025 → Filed with AG: Jul 14, 2025	52d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGJul 14 · first

Indiana State AGJul 14 · first

Vermont State AGJul 14 · first

Maine State AGJul 14 · 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-a1252b4f8318/1523a138-eee1-435d-8cab-2964c32de79e.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 14, 2025
Raw hash: 434f9c1437a48869515cee8b2c0f1535e604dad76ca8f71cde02e9f9832208d4

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityWebb Institute

Victim entityWebb Institute

Incidentdiscovered May 23, 2025

Stated responseCommenced an investigation of the Incident, with assistance from third party experts

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov