Lawrence Abrams
Author Bio
Lawrence Abrams is the owner and Editor in Chief of BleepingComputer.com. Lawrence’s area of expertise includes Windows, security, malware research, ransomware, and computer forensics. Lawrence Abrams is also a co-author of the Winternals Defragmentation, Recovery, and Administration Field Guide and technical editor for Rootkits for Dummies.
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Windows XP Home or Windows XP Professional: Which one for you?
A lot of people are confused when it comes time to upgrade their computer and do not know if they should upgrade to Windows XP Home or Windows XP Professional. For most people the answer is simple, XP home, as it is more than sufficient for their needs. Some people do, though, gain the extra benefit to the features found only in XP Professional.
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Processor Speed Versus Memory
A very common question I am asked is which is more important, the speed of the processor or the amount memory. This is a difficult question to answer and it would help if we had some understanding of what each component does and how they relate to each other. This article will strive to teach you the fundamental tasks of both memory and the cpu and how they relate to each other. Hopefully at the end of this article, you will be able to answer this question yourself.
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Domain Names & Hostnames
When you use the Internet, you use domain name and hostnames all the time. These hostnames and domain names when put together become the Internet address that you search with. The domain name without a hostname is also the most common email address. This article will explore what hostnames and domain names are and how they are used. We will also discuss TLD's, or Top Level Domains, such as .Com, .Net, .Org, etc.
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The Domain Name System
A key component of the Internet and how it works revolves around the Domain Name System, otherwise known as DNS. The underlying technology behind the Internet, is that when a computer needs to talk to another computer on the Internet, they communicate via the computer's IP Address. The IP Address is a unique set of numbers associated with a particular machine, which will be discussed in a separate article. An example of an IP Address is 216.213.19.27, which is the IP Address that corresponds to www.bleepingcomputer.com.
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All about Networks
With so much of Computer use these days revolving around the Internet and communicating with others, its important that you understand what exactly a network is. Without networks, all communication between your computer and other computers whether it be instant messaging, email, web browsing, or downloading music could not be achieved. This tutorial will strive to teach you about networks and their importance. We will also explain the equipment necessary for you to set up a network in your home. When you are done with this tutorial, you will hopefully have a much greater knowledge of how the world of computers work.
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Windows Forensics: Have I been Hacked?
One of the top questions I see on forums is "How do I know if I have been hacked?". When something strange occurs on a computer such as programs shutting down on their own, your mouse moving by itself, or your CD constantly opening and closing on its own, the first thing that people think is that they have been hacked. In the vast majority of cases there is a non-malicious explanation for these problems such as faulty hardware or problematic software, but it is better to be safe than sorry for not investigating deeper. Unfortunately, the vast majority of computer users have no idea how to go about determining if their computer is hacked. It is for these people, that I am writing this tutorial.
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Windows Alternate Data Streams
Anyone who is in the security arena should know about Windows Alternate Data Streams, otherwise known as ADS. Though not highly publicized, lack of this little known attribute of the Windows NTFS file system may affect how you solve a problem in the future.
