Newpark Resources
Newpark Resources ransomware disrupts reporting systems
Summary
Ransomware disrupted Newpark Resources’ internal reporting systems in October 2024. Manufacturing and field operations continued using downtime procedures.
Key facts
Timeline
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Incident start:
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Earliest known or assessed start of malicious activity or incident activity. -
First public signal:
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Earliest public indication of an outage, disruption, closure or other observable incident impact. The signal does not need to mention cybersecurity. -
First public cyber evidence:
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Earliest credible public information connecting the incident or disruption to malicious cyber activity. -
Official cyber disclosure:
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First official acknowledgment by the affected organization or an authoritative public body that the incident was cyber-related. -
Last impact seen:
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Latest public indication that disruption, degraded operations, recovery work or unresolved impact was still ongoing.
Primary victim organization
Impacted location
Organization types
Critical infrastructure sector
DysruptionHub coverage
Incident characteristics
Assessments
Attack mechanisms
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Ransomware
Malware that encrypts systems or data, typically accompanied by a ransom demand.
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Unauthorized access
Unauthorized access to systems, accounts, networks, or data.
Data impacts
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Data unavailable
Authorized users could not access required data because of the incident, even when the data was not encrypted, deleted, or destroyed.
Operational impacts
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Partial service outage
A service, system, platform, or operational capability remained available only in part or with significant limitations.
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Internal systems unavailable
Internal business, administrative, operational, or staff-facing systems were unavailable.
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Application unavailable
A specific application or software platform became unavailable or unusable.
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Records processing disruption
The organization could not create, update, search, file, approve, transmit, or otherwise process records normally.
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Staff unable to work normally
Employees or contractors were unable to perform normal duties because systems, data, facilities, or communications were unavailable.
Extortion indicators
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No known extortion indicator
Available evidence indicates that no extortion demand, threat, communication, or related pressure tactic was identified.
Incident narrative
Newpark Resources Inc. detected a ransomware incident on Oct. 29, 2024, after an unauthorized party accessed internal information systems. In its Nov. 7 disclosure, the company said it had activated its response plan and was investigating with external advisers.
Access to some internal systems and business applications was disrupted, including financial and operating reporting systems. Manufacturing and field operations continued in all material respects using established downtime procedures.
The company initially said it did not expect a material effect on its financial condition or operating results, while acknowledging that the full costs and consequences were still being assessed. That assessment did not mean its reporting systems were unaffected.
Its 2024 annual report reiterated the ransomware incident and recorded a $1.7 million insurance receivable related to a cybersecurity event at year-end. The 2025 report recorded a remaining $400,000 receivable. These accounting balances do not establish a ransom payment or the incident’s total cost.
The company changed its name to NPK International Inc. effective Dec. 9, 2024. The name change concerns the same legal entity. Its sale of the Fluids Systems business preceded the incident; descriptions of the affected company should reflect its remaining site-access business.
The reviewed filings identify ransomware but do not describe a specific encryption process, establish file theft, name an attacker or disclose a ransom demand or payment. Searches of the historical and current names and domains returned no ransomware.live lead; that is a bounded search result.
The incident is presumed resolved. Nov. 7 remains the latest specifically dated operational disruption established in the reviewed evidence. Later financial reporting about the incident does not establish a continuous outage or an exact final restoration date.
Organizations involved
Impacted location
The Woodlands, Texas
Original November2024 and laterSECfilings plus current official https://npki.com/contact-us/ identify headquarters9320LakesideBlvdSuite100,TheWoodlandsTX77381. Census exactstreetmatch confirms TheWoodlandsCDP4872656 inMontgomeryCounty48339. This is the existing community-level headquarters anchor; no new facility, no assertion that intrusion originated there or that every company facility lost service. The community/CDP is distinct from the special-purpose Township authority.
Sources
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