Samiul Ahsan Rafat is a Computer Science and Cyber Security graduate with strong expertise in IT support, networking, and system security. He has hands-on experience in hardware and software troubleshooting, penetration testing, and web application testing, with proven skills in Cisco networking, LAN/WAN management, and programming in Python, Java, and C. Currently working as an IT Support Engineer at Event & Exhibition Partnership Ltd, Samiul provides comprehensive IT solutions including access control, patch management, and security audits. He has earned certifications in Ethical Hacking (CEH), CCNA, and Computer Hacking Forensic Investigation (CHFI), reflecting his dedication to cyber security and digital forensics. With international academic experience from Northumbria University, UK, and Asia Pacific University, Malaysia, Samiul brings both global perspective and technical depth to his work.