IPS definition
Stands for Intrusion Prevention System.. An IPS is a network security system designed to prevent malicious activity within a network.It is often used in combination with a network detection system (IDS) and may also be called an intrusion detection and prevention system (IDPS).Like an IDS, an IPS may include hardware, software, or both.It may also be configured for a network or a single system. However, unlike IDSes, intrusion prevention systems are designed to prevent malicious activity, rather than simply detecting it.ike an IDS, an IPS may include hardware, software, or both. It may also be configured for a network or a single system. However, unlike IDSes, intrusion prevention systems are designed to prevent malicious activity, rather than simply detecting it.