From the course: CompTIA CySA+ (CS0-002) Cert Prep: 5 Security Operations and Monitoring
Join today to access over 22,500 courses taught by industry experts or purchase this course individually.
Intrusion detection and prevention
From the course: CompTIA CySA+ (CS0-002) Cert Prep: 5 Security Operations and Monitoring
Intrusion detection and prevention
- [Instructor] Intrusion detection and prevention systems play an extremely important role in the defensive networks against hackers and other security threats. Intrusion detection systems sit on the network and monitor traffic, searching for signs of potentially malicious activity. For example, an intrusion detection system might notice that a request bound for a web server contains a SQL injection attack, that a malformed packet is attempting to create a denial of service, that a user's login attempt seems unusual based upon the time of day and prior patterns of activity, or that a system on the internal network is attempting to contact a botnet command and control server. All of these situations are examples of security issues that administrators would obviously want to know about. Intrusion detection systems identify these issues and then alert administrators to the issue for further investigation. To be useful, an…
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.