Malaysia has a National Cyber Security Policy (NCSP) that consists of 8 thrusts – 1) Effective Governance, 2) Legislative and Regulatory Framework, 3) Cyber Security Technology Framework, 4) Culture of Security and Capacity Building, 5) Research and Development Towards Self Reliance, 6) Compliance and Enforcement, 7) Cyber Security Emergency Readiness, 8) International Cooperation, and CyberSecurity Malaysia (CSM) has played a role in every each of the thrusts; for example Thrust 7 through our CyberDEF, program. CSM is also the anchor of our national cyber drill headed by the National Security Council (NSC) intended to ensure the effectiveness of all the thrusts and Cyber-l3 System - Intelligence, Incidence, and Investigation Based Big Data Technology, is to further strengthen the operationalization of the NCSP as a whole. It is the aimed of this presentation to share on the project governance, technical issues, and solutions including its progress till to date. Some of the topics that will be covered are Cyber-I3 objectives, incidents in Malaysia, its framework (matrix/system), collaborators, research & development and big data forensics based on honeynet deployment and feeds. Included is the way forward as to ensure this system is successful in order to build and create a secure and resilient cyberspace for Malaysia.