AWS Network Firewall is a managed service that enables users to deploy essential network protections for all their Amazon Virtual Private Clouds (VPCs. It allows the creation of firewall rules to control network traffic and automatically scales to meet the demands of your infrastructure. With AWS Network Firewall, you can centrally manage security policies across existing accounts and VPCs, ensuring consistent enforcement of mandatory policies. Key Features and Functionality: - Automatic Scaling: The service automatically scales to protect your managed infrastructure, adapting to changing traffic patterns and workloads. - Customizable Rules Engine: Define thousands of custom rules tailored to your unique workloads, providing fine-grained control over network traffic. - Centralized Management: Manage security policies across multiple accounts and VPCs from a single point, simplifying administration and ensuring consistent policy enforcement. - Inbound Traffic Inspection: Inspect inbound traffic using features such as stateful inspection, protocol detection, and encrypted traffic inspection to prevent and detect intrusions. - Active Threat Defense: Leverage AWS global threat intelligence to automatically protect your environment against dynamic security events, blocking known and emerging threats throughout the attack lifecycle. - Outbound Traffic Filtering: Deploy outbound traffic filtering to prevent data loss, meet compliance requirements, and block known malware communications. - Secure Direct Connect and VPN Traffic: Secure traffic from client devices and on-premises environments using AWS Direct Connect and VPN, supported by AWS Transit Gateway. Primary Value and Problem Solved: AWS Network Firewall provides a scalable and flexible solution for securing network traffic within AWS environments. By offering customizable rules, centralized management, and integration with AWS services, it simplifies the deployment and management of network security measures. This service addresses the challenge of protecting workloads against dynamic and evolving security threats, ensuring compliance, and preventing data loss, all while reducing the operational burden on security teams.