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STM Cyber

Warsaw, Poland

Penetration TestingOffensive SecurityApplication SecurityNetwork Security
Serves Enterprise, Public Sector, Critical Infrastructure
Profile last updated: July 23, 2026

About

STM Cyber is a cybersecurity company based in Warsaw, Poland working in penetration testing, offensive security, application security +5 more.

STM Cyber is a Polish cybersecurity company based in Warsaw that provides penetration testing, security audits, cybersecurity research and development, incident response, and information security management consulting. Its services include web, mobile, thick client, and network penetration testing, red team and APT simulations, profiled tests, social engineering tests, wireless network testing, malware and sandbox analysis, post-incident analysis, and ISO/IEC 27001 and ISO 22301 implementation support. The company serves clients in banking, finance, energy, fuels, public administration, and the enterprise sector, and emphasises in-house R&D for its testing tools.

Location

Warsaw, Poland

Focus areas

penetration testingred teamingsecurity auditsR&Dincident responseISO 27001ISO 22301social engineeringwireless security

Languages

ENPL

Services & products

Security domains

Penetration TestingOffensive SecurityApplication SecurityNetwork SecurityIncident ResponseDigital ForensicsGRC & ComplianceSecurity Awareness

How they deliver

Professional ServicesConsultingTraining

Products

Penetration testing

Penetration testing

Penetration testing services covering web applications, mobile applications, thick client applications, and internal and external infrastructure.

Customers

EnterprisePublic SectorCritical Infrastructure

Industries served

BankingFinanceEnergyFuelsPublic AdministrationEnterprise

Compliance & partners

Compliance frameworks

ISO/IEC 27001ISO 22301OWASP Top 10

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