Security by obscurity involves taking measures that don't remove an attack vector but instead conceal it. Some argue that this is a bad practice while others claim that as part of a larger strategy, every bit counts. The debate is quite heated, and some of our finest security experts face off, explaining security by obscurity and presenting both sides of the debate.

By Jesper M. Johansson and Roger Grimes (June 2008)

The recent update to the Windows Vista Firewall offers some impressive new features that make it a compelling choice for the corporate environment. Jesper M. Johansson gives a brief overview of the evolution of the Windows Firewall and delves into enhancements—such as new rules and profiles, domain isolation, and encryption—that will have administrators taking a closer look.

By Jesper M. Johansson (June 2008)

While locking is essential to support concurrent read and write activities on a database, blocking can adversely affect system performance. Learn how to optimize your SQL Server database to minimize blocking, and see how you can monitor the system to better understand how locking impacts performance.

By Cherié Warren (April 2008)

Microsoft Office Communication Server brings important changes to enterprise telephony. Examine how voice calls are made layer by layer, learn how calls can be routed to various endpoints, and explore the importance of conversations in OCS communications.

By Rajesh Ramanathan (July 2008)

Pav Cherny discusses the limitations of the built-in Directory Management Service in SharePoint and explains how you can replace this component with a custom solution that lets you synchronize SharePoint recipient information with other directory solutions. In particular, he ...
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"One of the common things that administrators must deal with on an ever-increasing basis is the regular changing of the password for shared and privileged accounts, such as the built-in administrator or root account, a firecall account, or perhaps even a process account." In the Read more!

Suppose one of the PCs you support is acting up—freezing, crashing, blue screening. Is some piece of hardware failing? Is some newly installed application causing trouble? Or could it be faulty memory? One way to find out for sure is with the free Microsoft Windows Memory Diagnostic ...
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Henrik Walther answers your questions about Microsoft Exchange. Here’s just a sample of the ones he tackles in the September issue of TechNet Magazine: ...
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Beyond traditional voice, messaging, and productivity functions, many businesses today want mobile professionals to have access to the same line of business systems they use in the office through mobile LOB applications, adding new considerations for those tasked with deploying and maintaining IT systems. In ...
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Back in the Winter 2005 issue of TechNet Magazine, when TechNet Magazine was still in its infancy, Jesper Johansson wrote a fantastic article called "Anatomy Of A Hack: How A Criminal Might Infiltrate Your Network". ...
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