Cyber-Defence Exercise Incorporates Real Combat Intelligence for Realistic Training

Lianhe Zaobao, 网络防御演习加入真实作战情报 逼真情景供磨炼

(Translated summary)

The fourth Critical Infrastructure Defence Exercise (CIDeX) was held from 11 to 14 November at the Singapore Institute of Technology (SIT). The exercise integrated real cyber-operation intelligence and invited private-sector partners to help design realistic scenarios aimed at strengthening collective readiness against evolving cyber threats.

CIDeX focused on strengthening the capabilities of 11 critical sectors to detect and respond to cyber threats targeting Information Technology (IT) and Operational Technology (OT) networks that support Singapore’s Critical Information Infrastructure (CII). Supported by iTrust at the Singapore University of Technology and Design (SUTD) and the National Cybersecurity R&D Laboratory, the exercise is part of the National Cyber Exercise Programme led by the Cyber Security Agency of Singapore (CSA).

Using a red–blue team format, organisers simulated AI-designed attack paths that compromised IT networks and testbeds, producing knock-on effects such as 5G disruption, power supply interruptions, and rail operations disturbances. Multiple private firms contributed to scenario design to enhance realism and training value.

Participants practised identifying attack sources, distinguishing normal from malicious network activity, and mitigating threats through measures such as removing malware or blocking malicious IPs.

On the sidelines of CIDeX 2025, the Digital and Intelligence Service (DIS) and SUTD also launched the Cyber5G testbed. Built with telco-grade components, the Cyber5G testbed allows academia and operational partners to conduct threat modelling and cyber training for the telecommunications sector. The testbed enables research on real-world attack vectors that threaten national infrastructure, for the development of robust defensive and mitigation strategies.