Find out how Microsoft Security Essentials guards your PC against viruses, spyware, and other malicious software and download Microsoft Security Essentials for free.

Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.

Find Microsoft computer security resources including libraries, learning resources, downloads, support, and community.

Microsoft Security Essentials (MSE) is a free antivirus software product for Microsoft Windows operating systems that provides protection against different types of ...

Download Microsoft Security Essentials - No cost, no hassle security software for your PC

Security TechCenter > Security Bulletins > Microsoft Security Bulletin Summary for January 2012 Microsoft Security Bulletin Summary for January 2012

With Microsoft Security Essentials, you get high-quality protection against viruses and spyware, including Trojans, worms and other malicious software. Security ...

We study various aspects of security related to computer systems ... The Security Group at Microsoft Research Cambridge seeks robust solutions to real-world large ...

Description of the Microsoft Security Essentials Update for July 26, 2011

Get the latest Security Updates Download the security updates for Microsoft Windows, Microsoft Expression, and Microsoft Visual Studio.

Microsoft Security Essentials, free download. Microsoft Security Essentials 2.0.657.0: Free and simple antivirus software from Microsoft. Operating system, web ...

Help and support for Microsoft Security Essentials. Links to how-to articles, downloads, and answers to top issues.

Note: This review addresses the first version of the product. Standalone antivirus product Microsoft Security Essentials has caused a stir, as might be expected when ...

Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software.

One Windows Live ID gets you into Hotmail, Messenger, Xbox LIVE — and other Microsoft services.

For no-cost, real-time protection that helps guard your home or small business PCs against viruses, spyware, and other malicious software, download Microsoft Security ...