STM Cyber is a Polish company that focuses on ICT security, founded by a team of highly skilled and experienced professionals backed by years of practice and widely recognized industry certifications. The company offers a range of advanced cybersecurity services, including: 1. Research and development in areas such as IT/OT/IOT/ICS, analyzing new offensive techniques including malware; 2. Penetration testing for applications (web, mobile, thick-client), server infrastructure, and networks (WAN, LAN, WiFi); 3. Red Teaming to simulate APT (Advanced Persistent Threat) attacks; 4. Security audits covering application source code, device and system configurations, and adherence to cybersecurity frameworks and standards; 5. Development and auditing of security management strategies and systems (expert consulting); 6. Compliance audits for ISO/IEC Standards, National Interoperability Framework, and GDPR. The main customer sectors include Banking and Finance, Energy and Fuel production, Mobile Operators, Public and Enterprise Administration, Military, Police, and other Special Operations, particularly focusing on clients classified as critical infrastructure and key operators.