Ivan Spiridonov

Ivan Spiridonov is an accomplished cybersecurity professional with extensive experience in penetration testing and security assessment. As the Founder of DefenderIQ since August 2025, Ivan leads the development of the first Threat Story Intelligence (TSI) platform, providing actionable threat intelligence for various enterprises. Ivan also serves as a Senior Information Security Penetration Tester at A-LIGN, conducting global assessments for numerous compliance frameworks. Additional roles include Team Lead Penetration Tester at Stingrai, Core Penetration Tester at Cobalt, and Security Researcher with Synack Red Team, where Ivan focuses on risk assessments and vulnerability identification. Previous experience includes a tenure as an Information Security Penetration Tester at Obrela Security Industries and PXLSecurity Ltd., honing skills in testing methodologies and attack simulations. Ivan began a career in IT as a System Administrator, contributing to security event management and firewall auditing. Ivan holds a Bachelor of Technology in Information Technology from the University of Library Studies and Information Technologies.