The convergence of cyber and physical security is no longer a hypothetical future; it’s the present reality for critical infrastructure operators worldwide. Sam Mackenzie, cybersecurity committee member at the Australian Computer Society (ACS), spoke intelligently about the challenges, demands, and culture shifts now facing organisations on the frontlines of protecting society’s critical systems. Mackenzie warns that while the risk of cyberattacks causing physical damage (such as pumps, circuit breakers, and utility grids) remains relatively rare, the potential consequences demand cross functional preparedness. “All organisations are looking for return on investment,” Mackenzie says. “But the digital ...