Md Abdul Hamid is a skilled cyber security expert with extensive experience in penetration testing and vulnerability assessment. Currently engaged with Fiverr as a professional cyber security expert since May 2024, and previously serving as a professional cyber security expert and penetration tester at CodemanBD since January 2023. Earlier roles include positions at WebBattalion and VikingCloud, where responsibilities included ethical hacking, malware analysis, and network security. Md Abdul Hamid's career began with a data entry operator role at the Office of the Divisional Director (Health) in Sylhet. Educational qualifications include a Bachelor's degree in Social Science from Sylhet Govt College and certifications from several institutions.