WiFi WPA2 protocol flaw discovered (Key Reinstallation Attack). What to do.

As we tweeted on Oct 17, 2017, a major WPA2 flaw has been discovered by Mathy Vanhoef of KU Leuven in Belgium. WPA2’s cryptographic protocols could be exploited to read and steal data that should be secure.

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Crypto Currencies or Gold?

It goes without saying that most people have heard of crypto currencies. Those digital “dollars” based on something called a block chain. Allow me to confess that I didn’t pay much attention to Bitcoin at first. As an IT expert and a writer about the financial markets many are shocked that I didn’t “get it”.…

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Windows 10 Remote Destop Services Port Redirector hangs, is unresponsive

Windows 10 Remote Desktop Services Port Redirector crashes. Hanging or freezing isn’t usually. I imagine this problem goes undetected since so few people turn on the remote desktop service on their Windows 10 computers. In this particular case, the problem was on a Dell Optiplex. It started after an update.

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Estimating the space requirements for a small server room

Small companies relocate all the time. Many companies appear to get stuck improvising rooms to put the equipment and often end up using a closet. In such cases, poor ventilation ends up causing undo stress of the equipment and bringing some devices to a premature end. I saw one switch that looked like it had…

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Motorola scanner cannot connect to RDP Windows 2012 R2

Trying to connect a Motorola PocketPC handheld scanner gives the error “because of a security error, the client could not connect to the remote computer. Verify that you are logged on to the network, and then try connecting again.” This is caused by the X509 certificate on the server.

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VMware vSphere ESXi 6.5b released

VMware has released version 6.5b of their hypervisor vSphere ESXi. This release of vCenter Server 6.5.0b delivers a number of bug fixes. From Vmware’s site: Updates to time zones in the Linux Guest Operating System customization. vCenter Server Linux guest operating system customization supports latest time zones. For more information on time zone changes and…

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