Poland
Specializing in offensive security, I am a penetration tester, trainer, and co-author of the bestselling book “Wprowadzenie do bezpieczeństwa IT” (“Introduction to IT Security”). My expertise lies in penetration testing of web, mobile applications, and network infrastructure (WAN, LAN, Red Teaming campaigns), complemented by conducting professional IT Security trainings in these fields. I've presented my insights at esteemed Security conferences like MSHP and Confidence. In 2018, I earned the OSCP (Offensive Security Certified Professional) certificate.
Penetration testing of: -Web application and REST API -Mobile applications (Android/iOS) -Broadly defined network infrastructures -Organizing and performing Red Team campaigns -Performing simulated DDoS attacks I also conduct professional trainings related to the fields of web application and mobile application security, infrastructure hacking (red teaming campaigns, securing the networks), and cyber awareness.
-Penetration testing of various Linux- based OS (system hardening) -Reverse engineering of apps/ libraries installed on system -Searching for misconfigurations and security vulnerabilities in network applications -Fuzzing of external services (Wi-Fi, Bluetooth)
-Mitigating the botnet-related DDoS attacks -Raw internet traffic analysis -Explaining the security related problems to customers during online conferences
-Solving networking, security and performance related problems, in web- based mechanisms -Log analysis -Maintaining CDN infrastructure
-Running the course preparing to international GRE exam (math part)
-Maintaining and taking care of the ISP infrastructure, installing and configuring external devices (Cisco, Mikrotik, Ubiquiti)