Your Wi-Fi Can Be Heard a Long Way Away

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 […]
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How Secure Are Password Managers?

In Learning Tree’s System and Network Security Introduction course we talk about the tradeoff between security and convenience. They’re usually at either end of the seesaw: If one is going to go up, the other has to go down. For clear examples of this, see the password managers implemented as parts of web browsers and […]
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