IT Professionals
Virgin PC Building
Welcome to Just Ask Matt! Today, Tom writes: Matt, I am getting ready to install my new motherboard into a PC that I built myself. Most of the process was easy enough, but I am a little concerned when it comes to installing the new processor. It’s an AMD Athlon 2800 on an ASUS board. [...]
Eating Your Own Dog Food…
With some humble pie for dessert. I took on some new customers recently that had a classic scenario with their family PC… it was riddled with spyware and had a few viruses, to boot. Sounds like a job for REBUILD MAN! So I scheduled my visit, and brought my toolkit with me. I backed up [...]
Bit Flipping & Replay Attacks – Wi-Fi Security
The animated TECHTip tutorial available here. Bit Flipping, sometimes referred to as Message Forgery, is where the Wi-Fi attacker flips (changes or forges) arbitrary bits in an encrypted message and correctly adjusts the CRC [Cyclic Redundancy Check] (a value or checksum of the total number of bits sent) to appear as a valid message. For [...]
The Optimum Frequency Of Implicit Assumptions?
In the last column, I presented two puzzles that could be solved in different ways. The first one is a card problem: I show you a stack of 18 cards. 6 of them are black and 12 are red. All of the black ones are face cards, and half of the red ones are face [...]
AOL: 'We're Not Zombie Haven'
A recent study by Prolexic, an Internet-based company that offers DDOS protection to Web sites, showed that AOL is the top US network in zombie DDOS attacks. AOL doesn’t mind. Its reply: “It’s a demonstration that the tools we provide are keeping members safe. Our very aggressive actions – we provide anti-virus, anti-spyware, and firewall [...]
Special TECHtionary Recommendations For Wi-Fi Security
Details on this report are available here. This is intended to give an overview of wireless security. We recommend reviewing security conditions/needs onsite with a professional advisor and monitor as needs or demands change. Here are some of the key areas:
Case Study On RFID/GPS/GIS
The animated TECHTip tutorial available here. This a case study on RFID/GPS/GIS, and there are four steps.
Two Comedians And A Geek
Well I feel like this week has been a successful one. My repair work is staying fairly steady, I am seeing great success from projects that have recently been activated and life is pretty good in general. As the folks from the Long Live TechTV Yahoo Group have mentioned, the latest podcast project that I [...]
Podcasting: The Do-It-Yourself Guide Reviewed
Todd Cochrane’s Podcasting: The Do-It-Yourself Guide, published by Wiley, is a technical book jam packed from cover to cover with all the information you could want about the phenomenon known as podcasting. It includes information on how you can create your own podcast as well as what equipment you’ll need and how you can distribute [...]
OSI Model Made Really Easy
The animated TECHTip tutorial available here. OSI [Open Systems Interconnection] is a universal model for communications and computing but does not necessarily encompass all standards. The OSI model provides means for interoperability between systems and allows manufacturers to enhance their own systems. It is a framework for data communications at each layer and outlines the [...]
