Locations

United States Change All Microsoft Sites

Search

Microsoft

Security

Worldwide Security Sites

Home Security Updates Products & Scans Computer Security Security Centers

Learn More

Security update bulletin Bulletin archives Security updates FAQ

Products

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

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

Malicious Software Removal Tool

4 steps to protect your computer What to do about the ATL security vulnerability

Firewalls

What is a firewall How to choose a firewall

Firewalls in versions of Windows

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

Viruses

What is a computer virus Computer virus symptoms Help prevent computer viruses Remove a computer virus

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

What is spyware Spyware symptoms How to prevent spyware How to remove spyware

Spyware protection in versions of Windows

Security Response

Security Engineering

Malware Protection

Products, Updates, Tools, News

RSS Latest Security News

line

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.
Download free security software
Get Microsoft Security Essentials to help protect against viruses, spyware, worms, and more.
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.

Security Intelligence Report Vol.7

Online Safety Site

CONSUMERS

MSDN/Security Site

DEVELOPERS

TechNet Security Site

IT PROFESSIONALS

Midsize Business Security Site

BUSINESSES

Get support, stay informed

Exclamation Mark

Was This Information Useful?