What Is An Intrusion Prevention System?
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An intrusion prevention system (IPS) is a network security/cybersecurity tool that monitors incoming and outgoing network traffic and analyzes it against a set of criteria to detect malicious activity. An IPS is able to detect, alert, and block malicious traffic attempting to enter or leave a network. It uses a combination of signature–based (known attack patterns) detection and anomaly–based (finding abnormal activities) detection to identify, log, and stop suspicious activity.