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Get Windows 7 Get Microsoft Security Essentials Get Malicious Software Removal Tool Get Internet Explorer 8 Run remote scan on another computer

Security in Windows 7 Help protect your PC with Microsoft Security Essentials Security in Internet Explorer 8 SmartScreen Filter in Internet Explorer 8 Security in Internet Explorer 7 Security in Windows Vista

Security in Office 2007 Security in Outlook 2003 SP2 Security in Office 2003

PC Safety Scan

Malicious Software Removal Tool

Need to Know

4 steps to protect your computer

Firewalls

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Firewalls in versions of Windows

Firewalls FAQ

Updates

Get automatic updates Windows Update overview Microsoft Update overview

Check your version of Windows Get Windows XP SP3

Security updates FAQ Windows Update FAQ

What to do about the ATL security vulnerability

Viruses

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Help prevent rogue security software Help prevent IM viruses

Virus protection in versions of Windows Bluetooth

Worms

What is a computer worm How to prevent computer worms Help prevent the Conficker worm How to remove computer worms

Spyware

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Spyware protection in versions of Windows

Security Response

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Malware Protection

Products, Updates, Tools, News

Get the November security updates
Download and install the updates from Microsoft Update.
Reduce vulnerabilities and development costs by implementing the Microsoft Security Development Lifecycle (SDL)
Get free downloads and information on how to integrate SDL.
Read the latest findings about viruses, spyware, and other malware
Microsoft releases latest version of the Security Intelligence Report, which covers the first half of 2009.
Write more secure code in Visual Studio Team System Projects
Follow key steps to incorporate the Security Development Process Template into your Visual Studio Team System project.
Restore infected PCs with the Malware Removal Starter Kit
Free guidance and tools to help IT professionals better protect computers against viruses, spyware, and other malware.
Get end-to-end solutions in the Security Compliance Management Toolkit
Free prescriptive guidance and automation tools to help IT professionals meet security and compliance requirements.

SDL now updated for Agile

Watch an overview of how the SDL works for Agile.

Get the SDL guidance, which includes SDL for Agile development.

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Microsoft Security

Products, Updates, Tools, News

SDL now updated for Agile

CONSUMERS

DEVELOPERS

IT PROFESSIONALS

BUSINESSES

Get support, stay informed