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rangaraj1987
05-06-2009, 02:24 AM
Basic Security Fundamentals
There are some things about network and computer security which change over time, sometimes very rapidly over a very short period of time. For instance, two years ago "phishing" was largely unheard of. Before that, wireless network security was not on the radar. Now these are common, everyday security concerns. But, there are also aspects of computer security which more or less transcend time and remain as core fundamentals even while the rest of the technology changes. Here are a few articles I have written in the past which address some of these basic concepts:

* In Depth Security
* Password Security
* Microsoft Windows Security 101
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rangaraj1987
05-06-2009, 02:26 AM
Value for Money Video Card PCI Express

It is always hard to make a selection from the wide range of video cards available. Do I get value if I pay $900 for the latest card ? Is the 256 meg video card always do better than the 128 meg card ?.

The comparison is for the PCI Express type video cards. PCI express slot is gaining momentum. with new Pentium 4 and Pentium D and the Athlon 64 (939) motherboards providing mainly PCI Express slots. Days for the AGP seems to be numbered.

We have put the $$$ in front of the frame rate data provided by tomshardware website. You can see the full article by toms website here. The data is based on Gigabyte PCI express video card prices and the Frame rate data provided by Tomsharware website.

What you see on the graph on the right side is Frame rate per $100 of spend. For example Radeon X300 SE card which cost $111 will give you 47 frames per second in Unreal Tournament (when playing at low end settings ). That we translate as 47 / $111 = 43 frames for every $100 you spend. I know once you have got the card, you can't put another $100 to the card and double your performance, but at least with the comparison you can make the right decision based on what performance you need and how much money you want spend.
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rangaraj1987
05-06-2009, 02:28 AM
Hardware Encryption Offers Benefits over Software Encryption
We usually think of encrypting data as a way to protect it from hackers and criminals, but did you ever consider that the U.S. federal government can now search your laptop without probable cause?



Last April, a U.S. Federal Court ruled that U.S. Customs Service agents don't need probable cause to search through laptops and other electronics. The decision is supposed to support Homeland Security's efforts to combat terrorism, but the fact is that 99.999 percent (add a few more nines) of those legally crossing the border into the U.S. are not terrorists but tourists--or business people and students. Or they could be you or I coming home from a trip abroad. If we are willing to let airport inspectors go through our underwear, why would we object to their scrutinizing our laptops?



Without going into a long discussion of the erosion in U.S. citizens' constitutionally guaranteed right to privacy, I will point out that there are many reasons for people to encrypt data on their computers. Encrypting data on your laptop as a defense against Customs agents prying into your personal or business affairs may not work, by the way, since they can demand that you decrypt the drive, folder, or file. And if you don't, they can simply seize the computer.



Government intrusions aside, the best reason to encrypt your data is because you have a very good chance of losing your laptop when you're traveling. I asked a hotel clerk once if there had ever been a problem with items being stolen out of the guests' rooms. "No, not really," he said. "We have had the occasional laptop disappear, but other than that, no one ever loses anything."
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PrntRhd
05-06-2009, 03:31 AM
posting your spam into sticky posts is not appreciated.