Hello everyone my name is vijay kumar Devireddy and I am glad to have you back on my episode 80 today we're going to discuss about In this section of the course,we're going to talk about securing your wired and wireless networks.We're going to start out with wired network devices,things like switches and routers,and then we'll move into the cabling that helps put all these networks together.After that, we're going to start talking about wireless networks and how we can better secure them and all the different types of attacks that exist for wireless networks.We'll even go through a demonstration in this section where I'm going to show you how easy it is to break wireless encryption and we'll be able to do that in about just two or three minutes.So it's really important to understand how to secure your networks properly so attackers can't do this to you.Now finally, we're going to round out this section by covering other types of wireless technology in addition to wifi,things like RFID,near-field communications,bluetooth, satellite communication,GPS, cellular, and others.So let's get started.