norm: level 3 parentNAICS Telephone Communications (No Radiotelephone) · USno LEI · CIK 0000794323Max severity: Low↳ subsidiary of LUMEN TECHNOLOGIES, INC.

Canonical registry

Level 3 Parent, LLC

ent_019fa1f429639ec1fa8a610ac64e6bc7

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Disclosures

1

SEC 10-K Item 1C · 1 jurisdiction

Incidents

—

no linked incident in sample

Max affected reported

—

no filed count in sample

Leak-site claims

0

none in sample

Identity resolution

Canonical name: Level 3 Parent, LLC
Normalized: level 3 parent— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: No match
SEC EDGAR CIK: 0000794323
Domain: None on record
Corporate parent: LUMEN TECHNOLOGIES, INC.— per SEC Exhibit 21 filing

Disclosure history (1)newest first

FEDERALSEC 10-K Item 1Cas victim2026-02-20
Lumen Technologies' Item 1C cybersecurity disclosure in its annual report describes its cybersecurity risk management program, governance (Board Risk and Security Committee, CSO, CIRT/CSWAT teams), third-party vendor risk management, and incident response playbook. The filing acknowledges that some prior attacks have resulted in security incidents but states none has had or is reasonably likely to have a material adverse effect. No specific incident, threat actor, affected count, or data types are disclosed.