We are a team of professionals dealing with information and cyber security who share the same core values. Together, we are Guardians.cz
Our values
Security dealt with a complex approach
Integrity, trustiness, and reliability
Focus on quality of services with their added value for our customer
Transparency towards our customers
An effort for long-term cooperation with satisfied customers
To be an example to our customers
We are ISO/IEC 27001:2023 certified
In the field of information and cyber security, we go beyond words. To demonstrate our expertise and reliability not only to ourselves but especially to our customers, we have implemented an Information Security Management System (ISMS) in accordance with the requirements of the international standard ISO/IEC 27001:2023. This system applies particularly to our services in cyber security and the provision of cybersecurity management services.
In October 2024, we successfully passed our initial certification and can now proudly present our certificate, which confirms our professionalism and commitment to security. We offer our customers the assurance that we handle their information according to the highest standards and that we are a trusted provider of cybersecurity services.
Our team
Martin Konečný, MBA, CISM
+420 736 709 865
Besides being the founder of Guardians.cz, Martin is also a freelance cyber security consultant and auditor with over 10 years of experience. His work primarily focuses on Czech Cyber Security Act and implementing its requirements into practice, ISMS, security of low-code / no-code and AI implementations, and more…
He holds an IT Management and Information Management degree from the Brno University of Technology and Enterprise Infrastructure Management MBA degree at the same university.
During his work, he has designed agendas and processes involving cyber security regulation and audits as part of his work at the National Security Authority (CZ NSA Office) and later at the National Cyber and Information Security Agency (CZ NCISA).
His accomplishments also include leading and creating a project on developing Decree No. 82/2018 Coll. on cyber security, structuring an agenda for personal data protection (GDPR) at an international company, and acting as Cyber & Information Security Manager in the energy sector.
Martin is also a co-author of several books, e.g.: Cyber (!)security. Security issues in cyberspace and Managing cyber and information security. He is also an author of numerous specialist articles, most recently focused on cyber security regulation issues and the EU's NIS and NIS2 directives.
In the spring of 2022, he founded an expert community CyberSecurityPlatform.cz which was created in order to connect with other IT/Cyber security experts in collaboration with university students in a similar field. This platform allows its members to share their experience and content of their own, to be part of creating supporting materials, etc.
Jakub Bittner
Jakub is one of the senior members of the Guardians.cz team. He has been professionally in the field of cyber security since 2009 when he became a Linux System Administrator for the National Security Authority, where he was responsible for developing Linux servers and desktops. After the creation of the National Cyber and Information Security Agency (NÚKIB), Jakub was responsible for constructing a data center for a new Agency, for which he would become a Cyber Security Analyst focusing on network analysis and Linux. After one year, Jakub decided to go into the commercial field and became an Information Security Analyst for Red Hat company. In Red Hat, he was given the opportunity to determine which area of cyber security he was interested in and decided to focus on security systems and infrastructure. He built his own team of people who deal with this issue, and he now holds the role of Manager, Security Infrastructure.
In Guardians.cz, Jakub specializes in the security of cloud services, Unix/Linux platforms, and networks.
Jakub Lehečka
Jakub is part of the Guardians.cz team, where he works as a cybersecurity architect and penetration testing specialist. His focus is primarily on technical resilience testing, designing security measures, delivering cybersecurity training, running simulated phishing campaigns, and creating scenarios for so-called tabletop exercises (TTX) that help organizations assess their readiness for cyber incidents.
His interest in cybersecurity began during his studies at a higher vocational school, where he specialized in system administration. He completed his studies with a thesis on gaining access through social engineering. Today, he applies his knowledge and experience to designing security strategies, building red team infrastructure, and testing realistic attack scenarios.
He holds certifications such as eJPT (Junior Penetration Tester), eCPPTv2 (Professional Penetration Tester), and CRT-ID (Certified Red Team Infrastructure Developer), which validate his skills in testing, exploitation, and offensive infrastructure design. He has also completed courses including the Cybersecurity Management Course from the Czech National Cyber and Information Security Agency (NÚKIB), Cisco’s Ethical Hacker, and Harvard University’s online Cybersecurity course, expanding his expertise into risk management, organizational security, and attack analysis.
Previously, he worked at innogy, where he developed training for both IT and OT staff, led workshops on the most common attack types, and analyzed phishing threats.
Outside of work, he continues to actively pursue further education, keep up with the latest trends in cybersecurity, and engage in personal projects focused on red teaming.
Zuzana Strachová
Zuzana works at Guardians.cz as a Knowledge Manager and Digital Marketing Manager. In her role, she combines her cybersecurity expertise with modern approaches to knowledge management and marketing.
As Knowledge Manager, she is responsible for creating and managing the internal knowledge base, fostering knowledge-sharing within the team, and developing systematic practices for handling organizational know-how.
In her role as Digital Marketing Manager, she oversees content marketing activities, including newsletters, email marketing, social media management, and digital marketing campaigns.
Zuzana holds degrees in Management Informatics and Information Management from Brno University of Technology. Her final theses focused on analyzing vulnerabilities in web applications and implementing security tools, for which she received the Dean's Award.
She has three years of professional experience, specializing in Security Awareness Training and the practical implementation of cybersecurity law requirements within critical infrastructure. She is co-author of the book Kybernetická (ne)bezpečnost: Problematika bezpečnosti v kyberprostoru (Cyber (In)Security: Security Issues in Cyberspace) and a graduate of the NÚKIB Cyber Security Managers Course.
Vanesa Marenišťáková
Vanesa is a Project Manager at Guardians.cz, where she coordinates and effectively manages various projects. She expanded her knowledge in this field by obtaining the internationally recognized PRINCE2 Agile certification in project management.
Alongside project management, Vanesa actively participates in developing and supporting the expert community CyberSecurityPlatform.cz by Guardians, where she, among other activities, organizes events aimed at both professionals and students. Vanesa also fulfills the role of Back Office Coordinator, overseeing the seamless administrative functioning of the company.
Her previous professional experience includes project manager role at a translation company in Brno and managing a small franchise in the gastronomy sector. Both positions helped her develop strong organizational, communication, and independent working skills.
She is also involved with the Czechitas community as a workshop facilitator, supporting women's education in IT.
Vanesa graduated from Masaryk University in Brno, majoring in English Language and Literature with a specialization in linguistics. She enhanced her language skills during a semester abroad in the USA, and continues to help others improve their English through individual language lessons.
Adam Bayer
Adam is currently working as an intern on the Guardians.cz team. He is involved in both customer and internal projects and is developing his career towards a role in cybersecurity manager.
He also contributes to support activitieshe supports the CyberSecurityPlatform.cz expert community, including managing the Executive Firewall group, which is dedicated to senior executives interested in cybersecurity.
Adam holds a bachelor's degree in "Managerial informatics" and is currently completing his master's studies in "Information management" at Brno University of Technology. During his studies, he actively participated in cybersecurity conferences organized both by the university and external organizations. He also focused on expanding his knowledge in programming and cybersecurity through online courses offered by Harvard University.
Adam gained practical experience at a consulting and technology company, where he contributed to the development of new software functionalities, implementation of system updates, and data management.
Lukáš Hrníček
Lukáš is the youngest member of our team.
He recently graduated in "Cybersecurity" from the High School of ICT, Postal Services and Finance, Brno, and is continuing his studies in the bachelor's program "Managerial Informatics" at Brno University of Technology (VUT).
At Guardians.cz, Lukáš actively focuses on organizational security, primarily from a managerial perspective. He assists various entities in ensuring compliance with upcoming cybersecurity legislation and the latest security trends. He is developing into the role of a cybersecurity manager. He also contributes to the development of CyberSecurityPlatform.cz, specifically by managing the MKB / CISO club.
Yaroslav Obukhov
Yaroslav is our trainee, who is finishing bachelor’s studies in FI Masaryk University on Cybersecurity programme and Politechnical University of Odessa on Software Engineering programme. Despite being the youngest in Guardians, he is an important team member, targeting cybersecurity consulting, technical support and marketing.
Recently, he has excellently completed the 120 hours ICT Security course from DigiJED with the help of German Academic Exchange Service (DAAD). It was another factor that strengthened the connection between his and Cybersecurity's future. From his words, it was a fascinating journey, which clarified the concept of IoT and showed the principles of network security in everyday life.
In his spare time, he works on personal projects in different areas, do various sports, and self-study to go deeper into the cybersecurity aspects our team works on. Yaroslav believes that hard work leads to big results, so he is trying to become a better specialist everyday.
His previous job position was AV technician in Campus Bohunice. There everything has begun, first work with computer systems, network and physical security. However, after less than 2 years, he realized that it is time to move on and was successfully accepted to our team.
Matej Olexa
Matej has been actively involved in the practical side of offensive security since his cybersecurity studies at Brno University of Technology (VUT). At Guardians.cz, he focuses on developing internal tools that help automate and streamline the entire team's work. He is gradually specializing in red teaming, where he leverages his knowledge to simulate real attacks on client infrastructure and identify vulnerabilities.
Beyond his professional role, his natural curiosity also leads him to explore how technologies work in depth in his free time. He then verifies and refines his practical skills in Capture The Flag (CTF) competitions.
