Submitted by:  Christian Reina

You can sign up for free "IT Professional" e-learning classes. A lot of this material is for MS products, but a lot of the basic information can be helpful for people interested in learning about security or preparing to take a MS certification.

https://www.microsoftelearning.com/

Editor's note:

Once you create a Microsoft Passport account, click on "My Learning," then click on the drop-down menu titled "Free Products."

You should see free courses such as the following:

Collection 5934: Introducing Windows Server® 2008
In this online collection composed of five clinics, you are introduced to the new features and functionality in Windows Server 2008. This includes server virtualization, security and policy management, branch office management, centralized application access, and server management. This online collection is composed of a rich multimedia experience. It is intended for IT Professionals who are interested in the new features and functionality in Windows Server 2008. To get the most out of this collection it is recommended that you have experience implementing Windows Server 2000 or Windows Server 2003.
 
   
Subscription
90 Days
    I have read and accept the End User License Agreement.
This offer includes the following:
    E-Learning
   
Clinic 5935: Introducing Server Virtualization in Microsoft Windows Server 2008 (RC0)
Clinic 5936: Introducing Security and Policy Management in Windows Server® 2008
Clinic 5937: Introducing Branch Office Management in Windows Server®2008
Clinic 5938: Introducing Terminal Services Presentation Virtualization in Windows Server®2008
Clinic 5939: Introducing Server Management in Windows Server®2008