Ransomware group Deadlock hits 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 — a business services target operating in PL has been listed by the Deadlock ransomware group on 2026-07-10. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | SKK Networks Sp. z o.o. and UNICARD Systems Sp. z o. o. and SKK SA |
|---|---|
| Threat Group | Deadlock |
| Summary | 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. |
| Date of Breach | 2026-07-10 |
| Discovery Date | 2026-07-10 |
| Region | PL |
| Target Domain | www.skk-networks.com/en |
| Business Sector | Business Services |
| Severity | MEDIUM |
Claim by Deadlock
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.
Posted by the Deadlock threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Victim website
www.skk-networks.com/en
Leak post (onion / Tor)
http://deadblogdbdu5wprek7wa2o4ce7rnt6u6ntqeud3hzjjcveosgpsqqqd.onion/s3.php?d=d2FzYWJpOmRhdGEtdW5pY2FyZC5wbHxldS1jZW50cmFsLTF8QkQyNVdPUk5TNjNRMzRWQ0pMMzR8enVJZ0REUGE0NFJHMTU0Yzdoa3JjNlFmTHVUNkJjUU93amc0WUo3Tw%3D%3D
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Disclaimer
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