Why do we need network security
{"Image DocumentName": "Why do we need network security?", "Image ImageDescription": "Helping Host-based protections. Keep dangerous hosts/data out / Create a safe space (Kindergarten rules) Prevent exfiltration of critical data. Protect hosts missing internal protection (legacy, mobile, visitors, BYOD, IoT) Hiding network traffic is different from hiding on the host (raise the bar) Threats come in from the network. DDoS. Attacks from the network in (e.g., Stack overflow, Morris Worm) Threats out ON the network. Worms. Botnets. Theft of network resources. Threat to critical infrastructure, espionage. Remember other vectors. \u2014CD, USB.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}