About us

Practical offensive security and cyber resilience services for organizations that need clear evidence and actionable outcomes

 
01

Our team

SPARK42 is built by practitioners with backgrounds in enterprise IT, security architecture, auditing, penetration testing, incident response, and security capability development.

Marián Čupka

Marián Čupka

Security Consultant

Jan Michálek

Jan Michálek

Security Consultant

 
02

What we do

We uncover weaknesses, validate security controls, and help organizations strengthen resilience before attackers test them for real.

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We provide security testing, technical security assessments, adversary simulation, and security capability development. Our work helps clients identify weaknesses, validate controls, improve detection and response, and strengthen cyber resilience.

We focus on practical outcomes: clear scope, realistic testing, evidence-based findings, prioritized remediation, and close collaboration with internal teams. We support enterprises and public-sector organizations, including those operating in regulated and high-assurance environments across Central Europe.

 
 

Key facts about us

A focused snapshot of our delivery to date

35+
validated vulnerabilities identified

12
security engagements delivered

100%
engagements delivered by senior consultants