Networked communication systems are necessary for making sure that important data is shared quickly in real-time settings. But these systems are facing more and more problems from time-sensitive security risks that can damage data accuracy, privacy, and the speed of operations. This paper looks into what these threats are and how they affect systems that communicate over networks. We look at different time-sensitive situations, like emergency response systems, real-time health tracking, and self-driving cars, to see how hacks that target the timing and synchronization of communication protocols can cause major problems. While pointing out flaws in current systems, we also suggest ways to fix them by using advanced cryptography, attack detection systems, and adaptable security procedures. Our results make it clear that real-time communication systems need strong, time-sensitive security methods to protect their stability and usefulness against new cyber risks.