HackingTechnologyInformationData ExfiltratedIdentity (basic)LowContained

Allied Telesis

bd_db6cbf0ac4696ef3 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 20, 2024

Filed

Apr 21, 2025

To disclose

48 weeks

Affected

Not disclosed

Linked

8 records

Confidence

64%

Full breach record for Allied Telesis →3 incidents on file

Allied Telesis, Inc. notified consumers of a security incident where an unauthorized actor accessed systems between April 30 and May 20, 2024, removing files containing names. The company notified federal law enforcement, implemented additional cybersecurity measures, and offered 24 months of credit monitoring through Experian.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday48 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 · 20 days

discovery → filing · 48 weeks / 336 days

Apr 30, 2024

Begins

May 20, 2024

Discovered

Apr 21, 2025

Filed

vs. sector median

+37 wks slower

This filing is one of 8 records about the same incident.View merged incident

A leak claim by lockbit_3 about this victim was first seen 329 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitelockbit_3bd_a770fe3a5482493a2024-05-20 · +336dVerified by operator

Regulatory filings (6) · sorted by filing gap

Washington State AGbd_091d06d4ec7efd802025-04-21Candidate
Massachusetts State AGbd_1d1a114061cbea242025-04-21Verified by operator
Indiana State AGbd_2a89022982a55e752025-04-21Verified
New Hampshire State AGbd_7b3779f4b28133e82025-04-21Verified

Show 2 more filings ↓

Maine State AGbd_ab383746d55bfd722025-04-21Verified by operator
California State AGbd_b9813fe41d72dc6d2025-04-21Verified

Name: Allied Telesis
norm: allied telesis
Domain: alliedtelesis.com

Name: Allied Telesis
norm: allied telesis
Domain: alliedtelesis.com
Industry: Technologyllm

Discovered: May 20, 2024
Breach occurred: Apr 30, 2024 – May 20, 2024
Undetected for: 20 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 21, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: notified federal law enforcement

During the incident: Promptly launched an investigation into the nature and scope of the event
Notified federal law enforcement
Implemented additional cybersecurity measures to protect against similar incidents in the future
Offering you immediate access to credit monitoring and identity theft protection services for 24 months at no cost to you, through Experian
Changes made: Implemented additional cybersecurity measures to protect against similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 48 weeks(336 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >180d
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 · 7 filings · 7 states

View merged incident ↗

Washington State AGApr 21 · first

Massachusetts State AGApr 21 · first

Indiana State AGApr 21 · first

New Hampshire State AGApr 21 · first

Maine State AGApr 21 · first

California State AGApr 21 · first

Vermont State AGApr 21 · 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/2025-04-21-allied-telesis-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 21, 2025
Raw hash: f07e489776c1bf871b320132cfde4a9b8ce78e094d4dbc8e9307c1e994108bf6

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityAllied Telesis

Victim entityAllied Telesis

Incidentdiscovered May 20, 2024

Stated responsePromptly launched an investigation into the nature and scope of the event

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov