MalwareTelecom & MediaInformationRansomwareCapture Stored DataData ExfiltratedData EncryptedCustomer Data InvolvedPIIIdentity (basic)LowContained

Arena Technical Resources (ATR)

bd_4fb42c5c828ab3da · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 11, 2024

Filed

Dec 17, 2024

To disclose

18 weeks

Affected

4state residents only

Linked

3 filings

Confidence

65%

Full breach record for Arena Technical Resources (ATR) →

Arena Technical Resources, LLC notified New Hampshire residents of a ransomware incident where files were locked and copied without permission starting August 10, 2024. The company detected the incident on August 11, 2024, notified federal law enforcement, and implemented supplemental security measures. Affected individuals were offered complimentary identity monitoring services through Experian.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 18 weeks / 128 days

Aug 10, 2024

Begins

Aug 11, 2024

Discovered

Dec 5, 2024

Scope determined

Dec 17, 2024

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteakirabd_2bbf97237d10f10c2025-01-31 · +46dVerified by operator

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_7102fd09ce5c535e2024-12-17Verified

Name: Arena Technical Resources (ATR)
norm: arena technical resources atr
Domain: atr.com

Name: Arena Technical Resources (ATR)
norm: arena technical resources atr
Domain: atr.com
Industry: Telecom & Medianaics map

Discovered: Aug 11, 2024
Breach occurred: Aug 10, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: Dec 5, 2024
Notification sent: Dec 17, 2024
Affected individuals: 4state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement

During the incident: Notified federal law enforcement regarding the event
Implemented supplemental technical security measures and practices to reduce the risk of an event like this reoccurring
Providing access to identity monitoring services for through Experian, to individuals whose personal information was potentially affected by this matter, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing individuals with information on how to place a fraud alert and security freeze on one’s credit file
Providing information on how to obtain a free credit report
Established a dedicated toll-free assistance line
Changes made: Evaluated policies, procedures, staff training, and technical security measures to reduce the likelihood of an event like this reoccurring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(128 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGDec 17 · first

New Hampshire State AGDec 17 · 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/arena-technical-resources-20241217.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 17, 2024
Raw hash: 79a1d75943b181e851d36a82028283bd78df6becdfa6f2ab8fe67f8f820343c6

Linked disclosures

Ransomware claims (1)

Regulatory filings (1) · sorted by filing gap

Reporting entityArena Technical Resources (ATR)

Victim entityArena Technical Resources (ATR)

Incidentdiscovered Aug 11, 2024

Stated responseNotified federal law enforcement regarding the event

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov