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Halliburton

Disclosed Aug 23, 20242 years agoConfirmed

SEC filing

Halliburton says intruder accessed and exfiltrated data from its systems

Halliburton reported that an unauthorized third party gained access to some of its systems on August 21, 2024, forcing systems offline, and later said the intruder accessed and exfiltrated information.

What is known

People affectedNot stated in the sources we have
DisclosedAug 23, 2024
DiscoveredAug 21, 2024
AttackHacking
Data exposedInternal documents
SectorEnergy · US
StatusConfirmed

Sources

Source
Halliburton Co Form 8-K, Item 1.05 (2024-09-03)sec.gov · SEC filing
Halliburton Form 8-K, August 2024sec.gov · SEC filing
Halliburton confirms data was stolen in ongoing cyberattacktechcrunch.com · News

Notices filed

WhereFiledPeople
ResearchtotalAug 23, 2024
SEC 8-KtotalSep 3, 2024
History of this record
  • 2026-09-25 · sector: other to energy · seed source
  • 2026-09-25 · attack: unknown to hacking · seed source
  • 2026-09-25 · data_types: [] to ["internal-docs"] · seed source
  • 2026-09-25 · disclosed: 2024-09-03 to 2024-08-23 · seed source
  • 2026-09-25 · discovered: empty to 2024-08-21 · seed source
  • 2026-09-25 · summary: empty to Halliburton reported that an unauthorized third party gained access to some of its systems on August 21, 2024, forcing systems offline, and later said the intruder accessed and exfiltrated information. · seed source
  • 2026-09-25 · title: Material cybersecurity incident reported to the SEC (8-K Item 1.05) to Halliburton says intruder accessed and exfiltrated data from its systems · seed source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (SEC 8-K), confirmed by SEC 8-K. Record counts are as reported. Not legal advice.

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