Our Authors

Henrich Slezak

Henrich Slezák, CISA is co-founder of IstroSec, member of Board of Directors and currently serving as Head of Advisory.

Lukas Hlavicka

Lukas Hlavicka, CISSP, GCFA, GXPN is co-founder of IstroSec, member of Board of Directors and currently serving as CTO.

Matus Samel

Matus is co-founder of IstroSec and works as Senior Managed Defense Engineer. He focuses on delivery of managed defense services, automation and development of internal tools.

Milan Kyselica

Milan is co-founder of IstroSec, member of Board of Directors and works as Head of Offensive department.

Miroslav Brvnistan

JUDr. Miroslav Brvnišťan, PhD. is member of Board of Directors and currently serving as CEO of IstroSec.

Roman Cupka

Roman has more than 20 years of experience in the ICT market in the field of computer networks, IT infrastructure, information and cyber security as a sales, strategy and marketing leader mainly in EU markets.

Stefan Lazovy

Stefan is co-founder of IstroSec and currently serving as the Lead developer. He has extensive knowledge of Windows internals and low-level programming which makes him the perfect candidate.

Zuzana Vargova

Zuzana is co-founder of IstroSec and works as a Senior Forensic Analyst. She has more than 9 years of experience in cyber security field, working in both governmental and commercial sector.