HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedPIILowContained

Allied Telesis

bd_7b3779f4b28133e8 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 20, 2024

Filed

Apr 21, 2025

To disclose

48 weeks

Affected

77state residents only

Linked

8 records

Confidence

65%

Full breach record for Allied Telesis →3 incidents on file

Allied Telesis, Inc. notified the New Hampshire Attorney General of a data event affecting 77 NH residents. Unauthorized access occurred between April 30 and May 20, 2024, with discovery on May 20, 2024. Files were removed. The company notified federal law enforcement, offered 24 months of Experian credit monitoring, and implemented additional cybersecurity safeguards and employee training.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d48 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
Maine State AGbd_ab383746d55bfd722025-04-21Verified by operator

Show 2 more filings ↓

California State AGbd_b9813fe41d72dc6d2025-04-21Verified
Vermont State AGbd_db6cbf0ac4696ef32025-04-21Verified by operator

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: 77state-resident count only
Data types: PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Notified federal law enforcement regarding the event
Providing access to credit monitoring services for through Experian, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Working to implement additional safeguards and training to its employees
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: Leak >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

Maine State AGApr 21 · first

California State AGApr 21 · first

Vermont State AGApr 21 · first

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/allied-telesis-20250421.pdf
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: f2de5b8192dfdbdb39e5f58bcfbe299a12e15d3208fa2403e6a933e21c86bb62

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityAllied Telesis

Victim entityAllied Telesis

Incidentdiscovered May 20, 2024

Stated responseNotified federal law enforcement regarding the event

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov