Virus & malware

This tool checks your computer for infection by specific, prevalent malicious software (including Blaster, Sasser, and Mydoom) and helps to remove the infection if it is found. Microsoft will release an updated version of this tool on the second Tuesday of each month.

Updating Windows Live Onecare Application or Virus and Spyware Protection Fails

As part of the Microsoft Trustworthy Computing Initiative, Microsoft is committed to both working with industry partners and taking significant steps to help customers achieve higher levels of security against viruses and worms.

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

Sebago needed a remote access and presentation virtualization solution that would meet its growing security and performance requirements. All 90 of the firm’s workstations were reliant on its server infrastructure. Somma and his team were focused on performance, cost of additional hardware, operating system...

Central Islip, with just one server for all of its users, and its technology partner Network Outsource, installed Windows Server 2008 and Network Policy Server (NPS) to upgrade the system from Windows Server 2003 R2.

With the forthcoming release of Windows Vista, Microsoft is empowering businesses and consumers to address mounting security threats.

Whitepaper detailing the Microsoft Windows Security Center

Windows Defender is a free program that helps you stay productive by protecting your computer against pop-ups, slow performance and security threats caused by spyware and other potentially unwanted software. Windows Defender no longer supports Windows 2000 as mainstream support ended in June 2005.

An in-depth perspective of software vulnerabilities, malicious code threats, and potentially unwanted software, focusing on the second half of 2006.

Microsoft Malware Protection Center Threat Report - Qakbot

This paper describes the technologies that Microsoft uses to combat malware.

Introducing the Microsoft Malware Protection Center

Microsoft Malware Protection Center Threat Report - Poison Ivy

This Microsoft Malware Protection Center Threat Report examines the prevalent EyeStye family of malware.

What You Should Know About the Sasser Worm and Its Variants.

Tool that will allow customers to centrally report on events across multiple event logging & reporting servers (collection servers). This tool enables a Forefront Client Security management console to provide centralized management and reporting across multiple FCS deployments

An in-depth perspective of trends in the malicious and potentially unwanted software landscape in the first half of 2006.

This prescriptive guide helps customers of all types plan, build, and maintain a successful security risk management program. In a four phase technology-agnostic process, the guide explains how to build an ongoing process to measure and drive security risks to an acceptable level.

Here you can download new safety and security publications that are dedicated to helping you protect your computer, yourself, and your family.

Best Practices Analyzer for FCS v1.0

Discover the best practices and processes Microsoft IT uses to secure its network. Provides a brief overview of the many aspects of network security; including some of the technologies used to protect against viruses, unapproved access attempts and malicious attacks. Describes the threat analysis and business reasons...

This document helps you to more securely configure your Microsoft® Windows® Small Business Server 2003 network. Completing the tasks in this document helps you protect the availability, integrity, and confidentiality of your network.

Security white papers that address the specific security needs of particular industries, such as the professional services and financial services industries.

This update addresses a security vulnerability that can enable an attacker who had a valid security certificate to issue an invalid subordinate certificate that would appear to be valid.

This datasheet outlines the Filtering service from Exchange Hosted Services.

The 2007 Microsoft Office Security Guide provides prescriptive Group Policy setting and security configuration recommendations to help strengthen the security of computers running the 2007 Microsoft Office release on computers that run Windows Vista or Windows XP in domain–based environments.

Microsoft® Forefront™ Client Security provides unified malware protection for business desktops, laptops and server operating systems that is easy to manage and control. By delivering simplified administration through central management and providing critical visibility into threats and vulnerabilities, Microsoft...

Resolves the issue entitled "Contact Help Center - OneCare virus and spyware protection encountered a problem and cannot start". You MUST save this file to your computer and then run it. Do NOT select 'Run' from the download dialog.

The Microsoft Forefront Security for Exchange Management Pack monitors Exchange Servers for virus and worm activity.