The Perils of Re-Using Passwords

Passwords will be with us for quite a while and so will password breaches, I’m afraid. Last week I received a notice that a site I use experienced a password breach. The email explained that the passwords themselves were encrypted, but that I should change my password on that site and any others where I […]
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12 Cyber Security Tips to Stay #CyberAware All Year Long

Holidays are coming up and there will undoubtedly be movie messages about keeping the holiday spirit alive not just for one month but the whole year through. Looking back, we just finished National Cyber Security Awareness Month and it’s worth asking: how do we focus on cyber security issues not just during the month of […]
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How To Enter The Cyber Security Field

During Cyber Security Awareness Month we hear about how important being #CyberAware is. “Do your part! Be careful!” It’s important to take this seriously. But additionally, this field offers job opportunities. Among the many ways we will discuss of how you can enter the cyber security field, one way is through our Learning Paths.  You […]
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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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Eavesdropping On Computers From Afar

When I teach Learning Tree’s Cyber Security introduction, participants are often amazed at the ways bad actors can eavesdrop on computers. Most of them are aware of software that can be planted by bad actors that can capture keystrokes, for instance, but few are aware that noises from keystrokes, the vibration of a notebook, and […]
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