HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

Allied Telesis

bd_b9813fe41d72dc6d · 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 the California Attorney General of a security incident where an unauthorized actor accessed systems between April 30 and May 20, 2024, and removed files. The company became aware of the activity on May 20, 2024. Affected data includes names and other personal information. The company notified federal law enforcement, implemented additional cybersecurity measures, and is offering 24 months of credit monitoring via Experian.

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California clockDiscovered May 20, 2024 → Notified Apr 21, 2025336d ✗ CA 60-day late48 weeks discovery → filing

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
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: 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: 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 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: CA 60-day late · 336dLeak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: May 20, 2024
→ Notified: Apr 21, 2025
336d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: May 20, 2024 → Notified: Apr 21, 2025	336d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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

Vermont State AGApr 21 · first

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-601709
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: 48c0c6d7116e7768aa0dc9c9de1d3a0495ac87b9224fb68bcd12faa70cd2bc02

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityAllied Telesis

Victim entityAllied Telesis

Incidentdiscovered May 20, 2024

Stated responseLaunched an investigation into the nature and scope of the event

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov