RansomLeak Security Awareness
| File:RansomLeak logo.svg | |
| Private | |
| ISIN | 🆔 |
| Industry | Cybersecurity, E-learning |
| Founded 📆 | 2025 |
| Founder 👔 | Dmytro Koziatynskyi |
| Headquarters 🏙️ | Tallinn, Estonia |
Area served 🗺️ | |
Key people | Maksym Khamrovskyi (CMO) |
| Products 📟 | Security awareness training software |
| Members | |
Number of employees | |
| 🌐 Website | ransomleak |
| 📇 Address | |
| 📞 telephone | |
RansomLeak (legal name Ransomleak OÜ) is a security awareness training company that produces interactive browser-based cybersecurity exercises for enterprise employees. It was founded in 2025 by Ukrainian entrepreneur Dmytro Koziatynskyi and is registered in Tallinn, Estonia.[1][2] Koziatynskyi is a Ukrainian Armed Forces veteran who served three years during the Russian invasion of Ukraine.[3][4]
He previously co-created Kontra Application Security Training, an interactive application security platform for software developers that was acquired twice: first by ThriveDX in 2022[5] and then by Security Compass in February 2024.[6] While at Kontra, the platform integrated with GitLab for vulnerability education[7] and partnered with KnowBe4 on developer security training.[8]
RansomLeak differs from Kontra in its target audience. Where Kontra trained developers on secure coding practices, RansomLeak focuses on non-technical employees and covers threats such as phishing, social engineering, ransomware, and GDPR compliance.[2]
Products
The company's training exercises place employees in simulated attack scenarios that run in a web browser. As of early 2026, the exercise library contains around 26 modules, including simulations of vishing, smishing, business email compromise, USB drop attacks, and AI-related threats like prompt injection.[9] Some exercises recreate documented incidents, such as the 2023 MGM Resorts cyberattack.[9]
Training content can be exported as SCORM 1.2 or SCORM 2004 packages for deployment through third-party learning management systems, or delivered through the company's own hosted platform.[10]
See also
References
- ↑ "Ransomleak OÜ – Company details". Estonian Business Register. Retrieved 2026-02-12.
- ↑ 2.0 2.1 "About Us". RansomLeak. Retrieved 2026-02-12.
- ↑ "Corruption scandal discourages Ukrainians. The solution reassures". The Christian Science Monitor. 2025-12-22. Retrieved 2026-02-12.
- ↑ "A New Wave of Protests Confronts Zelensky's Move to Rein in Anti-Corruption Agencies". The Nation. 2025-07. Retrieved 2026-02-12. Check date values in:
|date=(help) - ↑ "ThriveDX Acquires Kontra Application Security Training". AI TechPark. 2022-03-15. Retrieved 2026-02-12.
- ↑ "Security Compass Announces Acquisition of Kontra from ThriveDX, Expanding its Application Security Training Offerings". Business Wire. 2024-02-05. Retrieved 2026-02-12.
- ↑ "Kontra and GitLab Integrate Vulnerability Education Into the DevOps Workflow". GitLab. 2022-03-31. Retrieved 2026-02-12.
- ↑ "KnowBe4 and Kontra Partner to Educate Application Developers on Best Practices for Improved Application Security". GlobeNewsWire. 2022-02-23. Retrieved 2026-02-12.
- ↑ 9.0 9.1 "Exercise Library". RansomLeak. Retrieved 2026-02-12.
- ↑ "SCORM Integration". RansomLeak. Retrieved 2026-02-12.
Category:Software companies of Estonia
Category:Companies based in Tallinn
Category:Computer security companies
Category:E-learning
Category:Companies established in 2025
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