HackingEducationEducationTargetedIdentity (basic)LowContained

Webb Institute

bd_db63a8efb92361f0 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 23, 2025

Filed

Jul 14, 2025

To disclose

7 weeks

Affected

Not disclosed

Linked

5 records

Confidence

66%

Full breach record for Webb Institute →

Webb Institute notified consumers of a criminal cyberattack occurring on or about September 15, 2024. The incident involved unauthorized access to files containing PII, including names and [Extra1]. The Institute engaged third-party experts, deployed EDR, reset passwords, and offered Experian IdentityWorks. Notification was sent July 14, 2025.

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Leak gap clock✗ Leak >180d7 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 · 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

Maine State AGbd_0407181e89c793832025-07-14Candidate
Massachusetts State AGbd_35dfd42266cac3232025-07-14Verified by operator
Indiana State AGbd_980991188722c6b62025-07-14Verified by operator

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

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

Discovered: May 23, 2025
Breach occurred: Sep 15, 2024
Undetected for: 250 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 14, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Initial access: exploit_public_facing

During the incident: Commenced an investigation of the Incident, with assistance from third party experts
Offering complimentary access to Experian IdentityWorks
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
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 >180dVT AG >14 bday
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Maine State AGJul 14 · first

Massachusetts State AGJul 14 · first

Indiana State AGJul 14 · first

Vermont 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://ago.vermont.gov/document/2025-07-14-webb-institute-data-breach-notice-consumers
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: 70459a88bfb40a5692aa8bff034963d3b604054a066ae396311d0a8725bf1a82

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 provenanceago.vermont.gov