Intrusion Prevention System (IPS) definition in Cybersecurity

An Intrusion Prevention System (IPS) is a network security/threat prevention technology that examines network traffic flows to detect and prevent vulnerability exploits. IPS systems are considered to be the next step after Intrusion Detection Systems (IDS) as they not only detect attacks but also prevent them from being successful.

Open source or Free solutions

  1. Snort
  2. Suricata

Paying solutions

  1. Cisco Firepower
  2. Palo Alto Networks