Episode 79: Load Balancers and Sensors (Domain 3)

Load balancers and network sensors are often associated with performance and visibility—but they are just as critical to your security architecture. In this episode, we explore how load balancers not only distribute traffic to prevent bottlenecks but can also terminate SSL connections, enforce session persistence, and isolate backend services from direct public exposure. These features allow them to act as security control points, especially in high-availability and internet-facing deployments. We also discuss sensors, including NetFlow collectors, environmental monitors, and intrusion detection sensors, which provide real-time insight into activity, usage, and potential compromise across infrastructure layers. Effective sensor placement helps establish baselines, detect anomalies, and support investigations. Sensors give you awareness, and load balancers provide control—when used together, they shape both the performance and security posture of your environment.

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