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Vivian Okafor Onyia is a Cybersecurity Engineer at Ethnos IT Solutions LTD since October 2021, specializing in Offensive Security, Application Security, and Cloud Security. Responsibilities include conducting vulnerability assessments and penetration testing on various platforms and applications while utilizing a range of penetration testing tools and methodologies, including the MITRE attack framework. Additionally, Vivian serves as a Penetration Tester at Hack The Box since January 2020, focusing on enhancing skills in exploiting vulnerabilities. Prior experience includes a role as a Direct Sales Executive at UBA Group, where responsibilities encompassed market research, client engagement, and sales negotiations, as well as IT consultancy with J Mandarin. Vivian holds a B.Tech degree in Information Technology and has engaged in continuous professional development in the technology sector since 2012.