Sector: Cybersecurity
Country: Ukraine
Cossack Labs is a dual-use cybersecurity company headquartered in the UK with R&D centers in Ukraine, specializing in data protection for mission-critical systems in the defense, finance, and healthcare sectors. The firm provides applied cryptography solutions, including the Acra database security suite and the Themis cryptographic library, and is recognized by the Ukrainian Ministry of Defence for its effectiveness in high-stakes environments. In January 2026, the company expanded its technical team by opening a specialized Cryptography R&D engineer role for residents within Ukraine.
Full intelligence profiles — products, partnerships, funding and analysis — are available to verified UADefTech members.