From the course: ISC2 Certified in Cybersecurity (CC) Cert Prep

Unlock this course with a free trial

Join today to access over 24,700 courses taught by industry experts.

VLANs and network segmentation

VLANs and network segmentation

From the course: ISC2 Certified in Cybersecurity (CC) Cert Prep

Start my 1-month free trial Buy for my team

VLANs and network segmentation

“

- Virtual LANs, or VLANs, are an important network security control. VLANs allow us to logically group together related systems, regardless of where they normally exist on the network. When we create diagrams of our desired network layouts they typically look something like this with different functional groups having different network locations. Users in the accounting department all share a network that's separate from users in the sales department and those in the IT department. If our building and floor layout matched this network diagram exactly we'd be all set, but more often than not we usually wind up in a situation where users from different departments are mingled together and departments are spread across buildings. That's where virtual LANs come into play. We can use VLANs to connect people who are in different parts of the network to each other and also separate them from other users who might be…

Contents