The ECSO CISO Meetup 2025 - Valencia

23–24 Sept 2025 | Valencia, Spain

Tomas Honzak, CISM, CGEIT

Chief Information Security Officer

Ataccama

Czech Republic

5 profile visitsSpeakerCISO / CISO Team Member (Deputy CISO, CISO office etc.)

CISO with 25+ yrs in security & governance, ISACA board member, driving cloud/SaaS transformation to boost resilience & business value

My organisation

Ataccama

Ataccama

Czech Republic

At Ataccama, we are dedicated to empowering organizations with data quality and governance solutions that drive business success. Our innovative platform combines artificial intelligence and machine learning to help businesses create and maintain trusted data, enabling better decision-making and operational efficiency. We believe that by harnessing the full potential of data, we can foster a culture of data-driven excellence across industries. Join us in our mission to elevate data management and achieve unparalleled insights for our clients.
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About me

Tomas Honzak, CISM, CGEIT, is a highly experienced ICT executive and cybersecurity leader based in Prague, Czechia. He currently serves as VP and Chief Information Security Officer at Ataccama. Tomas has over 25 years of expertise in information security, governance, and quality management, with a proven track record of transforming cybersecurity programs across diverse industries and organizations.

Prior to Ataccama, Tomas held the role of VP, CISO at Vendavo and GoodData, where he led security posture assessments, modernized security infrastructure using AI-driven solutions, and implemented successful information security management and compliance frameworks including SOC 2 and HIPAA.

Tomas is an active board member of the ISACA Czech Republic Chapter and a recognized Gartner Peer Ambassador. Holding certifications such as Certified Information Security Manager (CISM) and Certified in the Governance of Enterprise IT (CGEIT), he applies a robust governance framework in his leadership to protect critical assets while driving innovation.

Fluent in Czech and English, Tomas is committed to advancing the cybersecurity community through knowledge sharing, collaboration, and advocating for security best practices at both national and European levels.

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Skills

  • Security
  • Governance
  • leadership
  • Cloud
  • saas
  • Compliance
  • ISO27001
  • SOC2
  • privacy
  • Mentoring

Interests

  • Traveling
  • photography
  • Nature
  • Science Fiction

Speaker sessions (1)

Wednesday, 24 September 2025