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TENAX Law Group PC

Ransomware attack by Blackshrantac · Disclosed October 31, 2025 · 🇺🇸 United States

tenaxlawgroup.com

Date Disclosed
Oct 31, 2025
2025
Threat Group
Blackshrantac
43 total victims
Country
🇺🇸 United States
Industry
Business Services

ThreatAI Analysis

Compiled from this incident record and the threat intelligence profile for Blackshrantac. Figures and technique mappings are quoted from the source data, not inferred.

About the Blackshrantac group

BlackShrantac is a ransomware group that emerged in late 2025, targeting organizations in manufacturing, financial services, technology, and the public sector globally, employing double-extortion combined with living-off-the-land techniques to weaponize legitimate tools and disable defenses before encrypting files. Blackshrantac has listed 43 victims since September 2025.

Incident Analysis

TENAX Law Group PC was targeted by Blackshrantac ransomware, one of the most active ransomware groups in our database with 43 confirmed victims globally. The attack was disclosed on October 31, 2025, when TENAX Law Group PC appeared on the group's dark web leak site.

TENAX Law Group PC is based in United States , operating in the Business Services sector. United States ranks #1 globally for ransomware attacks, with 9,425 victims in our database.

Sector context: Business services firms often have access to multiple client environments, making them high-value pivot points for ransomware operators seeking to maximise impact across multiple victim organisations.

Blackshrantac typically employs a double extortion model: first exfiltrating sensitive data from the victim's systems, then deploying ransomware to encrypt files. Victims face two simultaneous threats — paying to restore access and paying to prevent publication of stolen data. The group's leak site publishes victim names and exfiltrated data as leverage.

Data source: This incident record is sourced from public ransomware group leak site disclosures aggregated via the ransomware.live API. Disclosure date reflects when the victim was published on the leak site, which may differ from the initial date of compromise. This platform does not publish or link to stolen data. Last data update: Sep 6, 2026 20:00 UTC.

Frequently Asked Questions

Was TENAX Law Group PC attacked by ransomware?

Yes. TENAX Law Group PC was listed as a victim of the Blackshrantac ransomware group on October 31, 2025. The organisation is based in United States and operates in the Business Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked TENAX Law Group PC?

TENAX Law Group PC was attacked by Blackshrantac ransomware. Blackshrantac is one of the most active ransomware groups, having claimed 43 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the TENAX Law Group PC ransomware attack occur?

The ransomware attack on TENAX Law Group PC was disclosed on October 31, 2025. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the TENAX Law Group PC ransomware attack?

The specific data stolen from TENAX Law Group PC has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. As a Business Services organisation, TENAX Law Group PC likely held sensitive business data, client information, and operational records.

How can organisations protect against Blackshrantac attacks?

To defend against Blackshrantac and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.