Tagg: Wi-Fi

Many people are frustrated by their Wi-Fi networks. Among other things, there is interference, reflections, attenuation (signal loss) because of walls, long distances or whatever, and the hassle of managing all that. We have to remember one critical thing about Wi-Fi: it’s radio so it is heavily regulated. The power the devices and access points […]

For most of us, the door to the internet for homes or small businesses is our Wi-Fi router or access point; the path to that door is the network, which is often wireless. We need to secure both the door and our path to that door to help secure our networks. Before going forward, though, […]

Security of wireless networks has always been essential. This January the Wi-Fi Alliance® announced a new version of its Wi-Fi Protected Access® or WPA designed to improve the security of 802.11 wireless networks. The four improvements directly address authentication and confidentiality of the networks. Since most of us have Wi-Fi networks in our homes, offices, […]

One of my favorite tools on my Kindle and phone is Wifi Analyzer. It is a tool that shows information about Wi-Fi networks in range of the device. I am scheduled to teach Learning Tree’s Introduction to Networking soon, and this is a tool I demonstrate to participants. Of course, neither this post nor my […]

Most of us have some kind of anti-virus and intrusion detection system on our home and business computers. (If you don’t, you should!) These systems work to prevent intrusions on our systems. We run them on workstations and servers and trust them to protect our networks against certain types of threats. But our embedded systems […]