Tomas Zatko

Tomas Zatko Email and Phone Number

Partner and Chief Executive Officer @ Citadelo
Slovakia
Tomas Zatko's Location
Slovakia, Slovakia
Tomas Zatko's Contact Details

Tomas Zatko work email

Tomas Zatko personal email

About Tomas Zatko

🔐 ACHIEVEMENTS• Forbes Feature: Citadelo's innovative approach to cybersecurity, particularly in cloud security, was highlighted in Forbes. https://www.forbes.sk/naburali-banky-aj-lekarne-dr-max-uspech-vo-svete-citadelu-priniesla-chyba-v-cloude/• VMware Cloud Director Vulnerability Discovery: Citadelo's team uncovered a high-severity vulnerability in VMware Cloud Director, enabling a full infrastructure takeover. This discovery showcased our world-class expertise in identifying and exploiting complex security flaws. https://citadelo.com/en/blog/full-infrastructure-takeover-of-vmware-cloud-director-CVE-2020-3956/💼 WHAT I DOAs the CEO of Citadelo, I lead our mission to secure businesses against evolving cyber threats. My team specializes in offensive security—penetration testing and red teaming—to protect organizations proactively. At Citadelo, we empower businesses to navigate complex threat landscapes with confidence.Beyond Citadelo, I co-founded Binary Confidence, where we deliver advanced threat consultancy, incident response, and system hardening. I also co-founded Hacktrophy, a bug bounty platform that connects companies with ethical hackers to enhance internet security. Additionally, as a member of Boltonshield's board, I contribute to strategic cybersecurity initiatives across multiple fronts.📚 MY JOURNEYMy passion for cybersecurity started early. At 8, I wrote my first program, and by 10, I was reverse-engineering games to unlock new possibilities. This fascination with uncovering hidden potential evolved into a career dedicated to making the digital world safer. Since 2006, I’ve helped companies from startups to major financial institutions secure their digital assets.🤝 LET’S CONNECTIf you’re facing cybersecurity challenges and need an expert to secure your business, let's connect. I'm eager to discuss how Citadelo can help protect your digital assets.

Tomas Zatko's Current Company Details
Citadelo

Citadelo

View
Partner and Chief Executive Officer
Slovakia
Website:
citadelo.com
Employees:
33
Tomas Zatko Work Experience Details
  • Citadelo
    Partner And Chief Executive Officer
    Citadelo
    Slovakia
  • Boltonshield Ag
    Member Of The Board Of Directors
    Boltonshield Ag 2023 - Present
    Zurich, Ch
  • Boltonshield Ag
    Head Of Ethical Hacking
    Boltonshield Ag 2022 - 2023
    Zurich, Ch
  • Citadelo
    Partner And Chief Executive Officer
    Citadelo Oct 2013 - Present
    Switzerland, Slovakia And Czech Republic, Ch
    Penetration Testing / Ethical Hacking, Industrial Control System Security, Incident Response, and much more about security
  • Binary Confidence
    Advanced Threat Consultant, Design Consultant, Partner
    Binary Confidence May 2014 - Present
    Bratislava, Bratislava, Sk
    Security Operation CentreCyber Defense CentreActive security monitoring
  • Citadelo Czech Republic, S.R.O.
    Partner
    Citadelo Czech Republic, S.R.O. May 2017 - Present
    Penetration Testing / Ethical Hacking, Industrial Control System Security, Incident Response, and much more about security
  • Hacktrophy
    Partner
    Hacktrophy 2015 - Present
    Bratislava, Sk
    Bug Bounty PlatformWe put companies in touch with ethical hackers, making Internet safer for everyone.
  • Digmia
    Chief Technology Officer
    Digmia Sep 2011 - Sep 2013
    Bratislava, Sk
  • Digmia
    Technical Architect
    Digmia Feb 2010 - Aug 2011
    Bratislava, Sk
    Head of development.
  • Digmia
    System Engineer
    Digmia Aug 2006 - Jan 2010
    Bratislava, Sk
    Design and security of UX systems.
  • Ynet
    System And Security Administrator
    Ynet 2003 - 2010
    Bratislava, Sk
    I started as a system administrator and later became a leading member of the security team. During those years, I worked as a Linux/Unix and security consultant.

Tomas Zatko Skills

Security Linux Information Security Penetration Testing Linux System Administration Unix Apache System Administration Solaris Virtualization Mysql Network Security Open Source Firewalls Tcp/ip Computer Security Network Administration Management Bash Red Hat Linux Operating Systems Freebsd Cryptography High Availability Cloud Computing Dns Team Leadership Debian Vmware Cissp Social Engineering Cisco Technologies Internet Protocol Suite Risk Analytics Risk Management Pki Incident Response Game Management Ceh Domain Name System Bitcoin Blockchain Monero Web Application Security Red Teaming Bubble Blowing Skin In The Game Nginx Redhat Zabbix Ubuntu

Tomas Zatko Education Details

  • Slovenská Technická Univerzita V Bratislave
    Slovenská Technická Univerzita V Bratislave
    Security Of Information Systems

Frequently Asked Questions about Tomas Zatko

What company does Tomas Zatko work for?

Tomas Zatko works for Citadelo

What is Tomas Zatko's role at the current company?

Tomas Zatko's current role is Partner and Chief Executive Officer.

What is Tomas Zatko's email address?

Tomas Zatko's email address is to****@****ail.com

What schools did Tomas Zatko attend?

Tomas Zatko attended Slovenská Technická Univerzita V Bratislave.

What skills is Tomas Zatko known for?

Tomas Zatko has skills like Security, Linux, Information Security, Penetration Testing, Linux System Administration, Unix, Apache, System Administration, Solaris, Virtualization, Mysql, Network Security.

Who are Tomas Zatko's colleagues?

Tomas Zatko's colleagues are Martin Ďuriška, Veronika Holanová, Veronika Holanová, Dita Horáková, Veronika Sabova, Jakub Novák, František Uhrecký.

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