Haxoris
| Stylised red emblem used as the Haxoris logo | |
| Private | |
| ISIN | 🆔 |
| Industry | Cybersecurity |
| Founded 📆 | 2024 |
| Founder 👔 | |
| Headquarters 🏙️ | , Tallinn , Estonia |
Area served 🗺️ | Europe |
Key people | Andrej Šebeň (CEO); Marek Mlynček (co-founder) |
| Services | Penetration testing, red teaming, social engineering, cloud security |
| Members | |
Number of employees | |
| 🌐 Website | haxoris |
| 📇 Address | |
| 📞 telephone | |
Haxoris (officially Haxoris OÜ) is an Estonian cybersecurity company that provides penetration testing and other offensive security services. It is registered in Tallinn as a private limited company and classified under "other information technology and computer service activities" in the Estonian Classification of Economic Activities (EMTAK 62091).[1][2]
A 2025 comparison of penetration-testing companies in Estonia by the cybersecurity firm DeepStrike describes Haxoris as a "boutique" provider based in Tallinn that specialises in manual penetration testing and red-team style engagements, and lists it among several leading local suppliers.[3] The B2B platform ensun similarly profiles Haxoris as a startup cybersecurity services company founded in 2024 and headquartered in Bratislava, Slovakia.[4]
History
Haxoris OÜ was entered into the Estonian Business Register on 16 July 2024 as a private limited company (Estonian: osaühing).[1] The register gives its legal address as Lõõtsa tn 5 // Sepapaja tn 4 in the Lasnamäe district of Tallinn and records its principal area of activity as "other information technology and computer service activities" (EMTAK 62091).[1][2]
The business-register entry identifies ethical hacker Andrej Šebeň as the company's management board member and lists Šebeň and Marek Mlynček as shareholders and beneficial owners, each holding half of the company's shares.[1] Estonian business-information services such as Inforegister and Creditinfo repeat this ownership structure and classify Haxoris within the information and communication sector.[5][6]
In supplier-discovery and company-ranking lists, ensun describes Haxoris as a startup headquartered in Bratislava with between one and ten employees, active in cybersecurity, consulting and IT services.[4][7]
Services
DeepStrike's 2025 overview of Estonian penetration-testing providers characterises Haxoris as a small, manual-testing-focused firm that offers penetration testing of web applications, application programming interfaces, cloud environments and network infrastructure, together with red teaming and social-engineering exercises.[3]
Several ensun industry lists describe Haxoris as specialising in offensive cybersecurity services, including penetration testing, red teaming and adversary emulation, cloud-infrastructure penetration testing for platforms such as Microsoft Azure, and social-engineering and phishing simulations aimed at assessing employee awareness.[7][8][9][10] These profiles state that the company's services are positioned to help organisations improve their security posture and comply with regulatory frameworks such as the General Data Protection Regulation (GDPR), ISO/IEC 27001 and the Payment Card Industry Data Security Standard (PCI DSS).[7][10]
Public-sector work
In July 2025 the Slovak National Coalition for Digital Skills and Jobs (Digitálna koalícia) entered into a contract with Haxoris OÜ for penetration-testing services. The agreement, titled Zmluva o poskytnutí služieb penetračného testovania (contract number ZLC-120-2025), is published in Slovakia's Central Register of Contracts and names Haxoris OÜ as the supplier.[11][12]
Conferences and outreach
Haxoris and its staff have been associated with several Central European cybersecurity conferences. The 2025 conference CybernITy 2025 in Prague lists Andrej Šebeň as a speaker and describes him as a red teamer and ethical hacker from Haxoris.com, focusing on simulations of real-world attacks.[13] The conference programme includes his talk Z vrátnice až na Domain Controller: Red teaming v praxi ("From the reception desk to the domain controller: red teaming in practice").[14]
Press releases on Czech technology news sites such as ITBiz.cz and TechBiz.cz previewing CybernITy 2025 highlight Šebeň's planned presentation, describing it as a real red-team case study against a large organisation and referring to him as a red teamer and ethical hacker at Haxoris.com.[15][16]
At the mobile-application security conference AppSec Conf in Prague, organised by Talsec, the programme lists Marek Mlynček of Haxoris as the presenter of a workshop on the OWASP Mobile Top 10 vulnerabilities.[17]
References
- ↑ 1.0 1.1 1.2 1.3 "Haxoris OÜ (17029611)". e-Äriregister. Centre of Registers and Information Systems. Retrieved 8 December 2025.
- ↑ 2.0 2.1 "Haxoris OÜ". Teatmik. Retrieved 8 December 2025.
- ↑ 3.0 3.1 Khalil, Mohammed (21 October 2025). "Penetration Testing Companies in Estonia 2025 (Reviewed)". DeepStrike. Retrieved 8 December 2025.
- ↑ 4.0 4.1 "Haxoris – Company profile". ensun. Retrieved 8 December 2025.
- ↑ "HAXORIS OÜ (17029611)". Inforegister. Retrieved 8 December 2025.
- ↑ "HAXORIS OÜ (17029611)". Creditinfo Eesti (in eesti). Retrieved 8 December 2025.
- ↑ 7.0 7.1 7.2 "Top 6 Cyber Insurance Companies in Slovakia (2025)". ensun. 2025. Retrieved 8 December 2025.
- ↑ "Top 5 Cloud Security Companies in Slovakia (2025)". ensun. 2025. Retrieved 8 December 2025.
- ↑ "Top Email Security Companies in Slovakia (2025)". ensun. 2025. Retrieved 8 December 2025.
- ↑ 10.0 10.1 "Top AGI (Artificial General Intelligence) Companies in Slovakia (2025)". ensun. 2025. Retrieved 8 December 2025.
- ↑ "Zmluva o poskytnutí služieb penetračného testovania ZLC-120-2025". Central Register of Contracts (in slovenčina). Government Office of the Slovak Republic. 25 July 2025. Retrieved 8 December 2025.
- ↑ "Detail zmluvy 11114339". Verejné obstarávania (in slovenčina). Qintec a.s. Retrieved 8 December 2025.
- ↑ "Přednášející – CybernITy 2025". CybernITy (in čeština). Retrieved 8 December 2025.
- ↑ "Program konference – CybernITy 2025". CybernITy (in čeština). Retrieved 8 December 2025.
- ↑ Houser, Pavel (19 May 2025). "CybernITy 2025 – vše o kybernetické bezpečnosti na jednom místě". ITBiz.cz (in čeština). Retrieved 8 December 2025.
- ↑ "CybernITy 2025 – vše o kybernetické bezpečnosti na jednom místě". TechBiz.cz (in čeština). 2025. Retrieved 8 December 2025.
- ↑ "App Sec Conference in Prague (Nov 3–4, 2025) – programme and guests". Talsec. Retrieved 8 December 2025.
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