---
schema_version: "secwatch.filing_event.v1"
accession: "0000045012-24-000049"
form_type: "8-K"
ticker: "HAL"
cik: "0000045012"
company_name: "HALLIBURTON CO"
filed_at: "2024-08-23T23:59:59+00:00"
generated_at: "2026-05-31T07:55:01.519463+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "medium"
source: SEC EDGAR
---

# Halliburton reports unauthorized third-party access to its systems; investigation ongoing

## Summary
- Incident discovered on August 21, 2024; company activated cybersecurity response plan internally and with external advisors.
- Certain systems proactively taken offline to protect them; law enforcement notified.
- Investigation and assessment of materiality ongoing; restoration of systems underway.
- Company communicating with customers and other stakeholders as part of response.

## SEC filing metadata
- accession: 0000045012-24-000049
- form_type: 8-K
- ticker: HAL
- cik: 0000045012
- company_name: HALLIBURTON CO
- filed_at: 2024-08-23T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: medium
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/45012/000004501224000049/0000045012-24-000049-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/45012/000004501224000049/hal-20240821.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000045012-24-000049
- JSON: https://secwatch.observer/filing/0000045012-24-000049.json
- Plain text: https://secwatch.observer/filing/0000045012-24-000049.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.