Next-Generation Firewall (NGFW) What is a Next-Generation Firewall (NGFW)? A Next-Generation Firewall (NGFW) is an advanced security solution that combines traditional firewall capabilities with features like deep packet inspection, intrusion prevention, and application awareness. Explanation NGFWs offer enhanced protection by analysing traffic in real time and blocking threats before they reach the network. They are essential for modern cybersecurity. Practical Example of a Next-Generation Firewall A company deploys an NGFW to detect and prevent sophisticated cyberattacks while maintaining seamless network performance.