On November 22, 2023, Dr. Rasika Aponsu led an in-depth Tech Talk titled "Industrial Firewall: Dealing with Online Security Risks in Today's Connected World" at the University of Colombo School of Computing (UCSC) Building in Colombo, Sri Lanka. The presentation addressed critical online security challenges faced by modern industrial systems. Dr. Aponsu shared valuable insights into the complexities of securing interconnected industrial networks against cyber threats, highlighting the latest advancements in industrial firewall technology. The talk emphasized best practices for mitigating security risks and protecting sensitive data in an increasingly digitalized environment. Dr. Aponsu's expertise provided attendees with a comprehensive understanding of the measures necessary to enhance the security and resilience of their industrial operations.