Sean Y. is a Senior Security Engineer at Grab, where they perform system architecture reviews, penetration testing, and incident response. Previously, they served as a Cyber Security Engineer at DSTA and held various roles, including a Security Analyst internship at Accenture and a .NET Developer internship at Websparks Pte Ltd. Sean Y. holds a Bachelor of Computing (Information Security) with Honours from the National University of Singapore and a Diploma in Information Security from Nanyang Polytechnic. Their extensive qualifications include multiple security certifications such as CISSP, CCSP, and OSCP.