HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHighContained

Allied Telesis

bd_ab383746d55bfd72 · schema v1 · pii pii-v1

Severity

High

Discovered

May 20, 2024

Filed

Apr 21, 2025

To disclose

48 weeks

Affected · nationwide

3,4135 in this filing

Linked

8 records

Confidence

66%

Full breach record for Allied Telesis →3 incidents on file

Allied Telesis, Inc. disclosed an external system breach (hacking) where unauthorized actors accessed systems between April 30 and May 20, 2024, exfiltrating files containing names, SSNs, driver's license numbers, and financial account information. The incident was discovered on May 20, 2024. Notices were sent to 3,413 affected individuals on April 21, 2025, including 5 Maine residents. Credit monitoring was offered.

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
New Hampshire State AGbd_7b3779f4b28133e82025-04-21Verified

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: 3,413state + nationwide
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Provided written notice to relevant state regulatorsNotified the three major credit reporting agencies, Equifax, Experian, and TransUnion
Initial access: exploit_public_facing

During the incident: Notified federal law enforcement
Provided access to credit monitoring services for two (2) years through Experian
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Implementing 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 >180dME AG >30d · 336dME resident >60d · 336d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 20, 2024
→ Filed with AG: Apr 21, 2025
336d 30 days (soft) ME AG >30d
Maine
Discovered: May 20, 2024
→ Notified: Apr 21, 2025
336d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 20, 2024 → Filed with AG: Apr 21, 2025	336d	30 days (soft)	ME AG >30d
Maine	Discovered: May 20, 2024 → Notified: Apr 21, 2025	336d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

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

California State AGApr 21 · first

Vermont State AGApr 21 · first

Maine 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/109e7572-c480-40e0-b976-1585f64f40aa.html
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: 570ac07e7d030719e1a5e21427f6c46e6280a3911aa393506d270f2d9818d6af

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

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov