What are the similarities and differences between an Intrusion Detection System (IDS) and an Intrusion Prevention System (IPS)?

Understanding IDSs and IPSs: • Intrusion detection systems (IDSs) and intrusion prevention systems (IPSs) inspect traffic using the same functionality as a protocol analyzer. • A host-based IDS (HIDS) can detect attacks on local systems such as workstations and servers. The HIDS protects local resources on the host and can detect some malware that isn’t […]

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What is an Intrusion Prevention System (IPS)?

An Intrusion Prevention System (IPS) is a network security/threat prevention technology that examines network traffic flows to detect and prevent vulnerability exploits. Prevention The IPS often sits directly behind the firewall and provides a complementary layer of analysis that negatively selects for dangerous content. Unlike its predecessor the Intrusion Detection System (IDS)—which is a passive system that […]

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