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Ransomware Victim Business Services

SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA

Ransomware attack by Deadlock · Disclosed July 10, 2026 · 🇵🇱 Poland

www.skk-networks.com/en

Date Disclosed
Jul 10, 2026
2026
Threat Group
Deadlock
101 total victims
Country
🇵🇱 Poland
Industry
Business Services

ThreatAI Analysis

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

About SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA

SKK Networks is a specialized IT infrastructure provider based in Kraków, Poland, that designs, builds, and maintains professional LAN and WLAN networks. They focus on creating high-performance connectivity solutions for challenging environments like high-bay warehouses, cold storage facilities, and industrial plants. Unicard Systems is a Polish manufacturer and integrator of security and building automation systems with over 30 years of experience. Based in Kraków, the company specializes in designing and implementing proprietary hardware and software solutions for business and public infrastructure. SKK Labels , a prominent Polish label manufacturer and printing company based in Kraków. With over 30 years of experience, the company provides comprehensive product marking solutions across various industries, including pharmaceutical, automotive, and logistics.

Source record: ransomware.live

About the Deadlock group

Deadlock has listed 95 victims since May 2026.

Incident Analysis

SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA was targeted by Deadlock ransomware, one of the most active ransomware groups in our database with 101 confirmed victims globally. The attack was disclosed on July 10, 2026, when SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA appeared on the group's dark web leak site.

SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA is based in Poland , operating in the Business Services sector. Poland ranks #28 globally for ransomware attacks, with 117 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.

Deadlock 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 8, 2026 00:00 UTC.

Frequently Asked Questions

Was SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA attacked by ransomware?

Yes. SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA was listed as a victim of the Deadlock ransomware group on July 10, 2026. The organisation is based in Poland and operates in the Business Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA?

SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA was attacked by Deadlock ransomware. Deadlock is one of the most active ransomware groups, having claimed 101 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA ransomware attack occur?

The ransomware attack on SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA was disclosed on July 10, 2026. 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 SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA ransomware attack?

The specific data stolen from SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA 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, SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA likely held sensitive business data, client information, and operational records.

How can organisations protect against Deadlock attacks?

To defend against Deadlock 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.