Sithira Wanniarachchi is a Cyber Security and Data Privacy professional with extensive industry experience in risk, governance, privacy, networking, IT services, and strategic leadership. He serves as Chief Information Security Officer at AC Group of Companies and is the Chair of the Cyber Security Center of Excellence at ISACA Sri Lanka, where he is also a Lead Ambassador. Sithira has held senior roles including Head of Governance, Security & Compliance and Head of Network Infrastructure, Security & Compliance, building a reputation for developing and implementing robust cybersecurity strategies across complex organisations. He has contributed to ISACA Sri Lanka's growth in membership and professional development, earning recognition as Outstanding Chapter Leader and Chapter of the Year through the Cyber Security Synergy Program. With 21+ professional certifications in information security, governance, and compliance, Sithira brings deep expertise in ISO 27001, GRC frameworks, data privacy, and network security to every engagement.
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