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Get the latest updates for your PC at Microsoft Update.
Microsoft Update
Protect your PC from viruses, spyware, and other malicious software.
Microsoft Security Essentials
Download security tools, toolkits, and guides.
Download security tools
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Security Patch
Security Patch
This DVD5 ISO image file contains the security updates for Windows released on Windows Update on January 8, 2013.
FREE
Release Date:
1/7/2013
Document
Document
The Windows XP Security Guide has been replaced by the Windows XP Security Compliance Management Toolkit, part of the Security Compliance Management Toolkit Series. See the note in the Overview section for the current download location.
FREE
Release Date:
4/22/2009
Security Patch
Security Patch
This update addresses the vulnerability addressed in Microsoft Security Bulletin 03-026. Find out about more recent critical updates in the Overview section.
FREE
Release Date:
7/16/2003
Security Patch
Security Patch
This DVD5 ISO image file contains the security updates for Windows released on Windows Update on June 11, 2013.
FREE
Release Date:
6/10/2013
Document
Document
The Security Guide provides guidelines for assessing and managing security risks to your Lync Server 2010 deployment.
FREE
Release Date:
3/19/2012
Security Patch
Security Patch
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS14-010. To find out if other security updates are available for you, see the Additional Information section at the bottom of this page.
FREE
Release Date:
2/10/2014
Security Patch
Security Patch
This DVD5 ISO image file contains the security updates for Windows released on Windows Update on January 14, 2014.
FREE
Release Date:
1/13/2014
Document
Document
Microsoft Global Security Showcase: Physical Security at Microsoft. Taking Advantage of Strategic IT Convergence. Technical White Paper
FREE
Release Date:
9/8/2009
Security Patch
Security Patch
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS14-012. To find out if other security updates are available for you, see the Overview section of this page.
FREE
Release Date:
3/7/2014
Document
Document
Discusses how the security provided by the Microsoft® Windows Server System™, and in particular the Windows Server™ 2003 operating system, compares with the security available from IBM Resource Access Control Facility (RACF) and its third-party alternatives.
FREE
Release Date:
7/29/2005
Application
Application
Help protect your Exchange server from viruses and other malware.
FREE
Release Date:
6/30/2009
Document
Document
Powerpoint slides from the keynote Advancing Security
FREE
Release Date:
5/3/2004
Security Patch
Security Patch
This update for Microsoft Internet Information Services version 5.0 can help protect your Web server from several new security vulnerabilities.
FREE
Release Date:
5/27/2003
Security Patch
Security Patch
This update addresses several newly discovered security vulnerabilities affecting Internet Information Services (IIS) 5.1 with Windows XP Professional, as well as incorporating all previous updates for IIS. Download now to continue keeping your computer secure.
FREE
Release Date:
10/9/2002
Security Patch
Security Patch
This update resolves the "Unchecked buffer in HTML Help can lead to Code Execution" security vulnerability in Windows XP. Download now to prevent a malicious user from running an unauthorized program on your computer.
FREE
Release Date:
8/16/2002
Security Patch
Security Patch
This update addresses several newly discovered security vulnerabilities affecting Internet Information Services (IIS) 5.1 with Windows XP Professional, as well as incorporating all previous updates for IIS. Download now to continue keeping your computer secure.
FREE
Release Date:
10/9/2002
Document
Document
This white paper, The Microsoft Dynamics CRM Security Model, serves as the core architectural component of a larger "nuts and bolts" article on Security and Authentication in Microsoft Dynamics CRM 4.0.
FREE
Release Date:
12/11/2009
Security Patch
Security Patch
This update resolves the "Unchecked buffer in HTML Help can lead to Code Execution" security vulnerability in Windows XP Professional. Download now to prevent a malicious user from running an unauthorized program on your computer.
FREE
Release Date:
7/10/2002
Document
Document
This paper discusses how the Security Development Lifecycle helped improve the security of the 2007 Microsoft Office System
FREE
Release Date:
3/1/2010
Security Patch
Security Patch
This update for Microsoft Internet Information Services version 5.1 can help protect your Web server from several new security vulnerabilities.
FREE
Release Date:
5/27/2003
Document
Document
While Microsoft Dynamics CRM does not provide for true field-level security, there are a number of options available for using supported custom logic to control of access to data at a more granular level than provided out of the box. This document discusses some of the key options and constraints available for...
FREE
Release Date:
12/11/2009
Security Patch
Security Patch
This update for Microsoft Internet Information Services version 4.0 can help protect your Web server from several new security vulnerabilities.
FREE
Release Date:
5/27/2003
Security Patch
Security Patch
This update includes ISA Server 2000 security enhancements, and addresses a regression of the hotfix described in Knowledge Base article 821724 (and included in ISA Server Service Pack 2), which was caused by the update in Microsoft Security Bulletin MS04-039.
FREE
Release Date:
6/14/2005
Security Patch
Security Patch
This update for Microsoft Internet Information Services version 5.1 can help protect your Web server from several new security vulnerabilities.
FREE
Release Date:
5/28/2003
Security Patch
Security Patch
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS13-021. To find out if other security updates are available for you, see the Additional Information section at the bottom of this page.
FREE
Release Date:
3/11/2013
Security Patch
Security Patch
A security issue has been identified leading to a vulnerability in MFC applications that are built with Visual Studio 2005 and ship the Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package.
FREE
Release Date:
6/7/2011
Security Patch
Security Patch
A security issue has been identified leading to a vulnerability in MFC applications that are built with Visual Studio 2008 and ship the Microsoft Visual C++ 2008 Service Pack 1 Redistributable Package.
FREE
Release Date:
6/7/2011
Document
Document
The first paper discusses how to address cloud security considerations using Microsoft Office 365. The second paper discusses how to address cloud security considerations in a private cloud environment and how to strike the right balance between customer and provider responsibilities.
FREE
Release Date:
7/13/2011
Document
Document
This white paper provides information about managing Internet Explorer Enhanced Security Configuration so that users and administrators can access trusted resources and Web sites on a corporate intranet and on the Internet. Examples include how to use Group Policy, scripts, answer files, and more.
FREE
Release Date:
5/5/2003
Tool
Tool
There are multiple files available for this download. Each document presents an on-going or evolving security or cybercrime issue along with the policies and the approaches Microsoft is taking. This information is relevant to organizations of all sizes.
FREE
Release Date:
1/17/2014
Document
Document
Learn more about Physical Security at Microsoft.
FREE
Release Date:
1/20/2011
Application
Application
The Microsoft Baseline Security Analyzer provides a streamlined method to identify missing security updates and common security misconfigurations. MBSA 2.1.1 is a minor upgrade to add support for Windows 7 and Windows Server 2008 R2.
FREE
Release Date:
11/4/2009
Tool
Tool
Use the ISA Server Security Configuration Wizard Update to add the Microsoft® Internet Security and Acceleration (ISA) Server 2006 Standard Edition and ISA Server 2006 Enterprise Edition server roles to the Security Configuration Wizard (SCW).
FREE
Release Date:
8/3/2006
Security Patch
Security Patch
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS12-071. To find out if other security updates are available for you, see the Additional Information section at the bottom of this page.
FREE
Release Date:
11/9/2012
Document
Document
With the forthcoming release of Windows Vista, Microsoft is empowering businesses and consumers to address mounting security threats.
FREE
Release Date:
9/14/2006
Document
Document
This document discusses potential threats to each component of an MIIS 2003 infrastructure and makes recommendations on how to mitigate those threats or refers the reader to additional documentation detailing the specific solutions available.
FREE
Release Date:
1/5/2006
Security Patch
Security Patch
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS14-012. To find out if other security updates are available for you, see the Additional Information section at the bottom of this page.
FREE
Release Date:
3/7/2014
Document
Document
The Windows Vista Security Guide has been replaced by the Windows Vista Security Compliance Management Toolkit, part of the Security Compliance Management Toolkit Series. See the note in the Overview section for the current download location.
FREE
Release Date:
4/22/2009
Document
Document
This white paper describes how to develop comprehensive data security policies that have minimal performance overheads.
FREE
Release Date:
7/29/2011
Document
Document
The Windows Server 2003 Security Guide has been replaced by the Windows Server 2003 Security Compliance Management Toolkit, part of the Security Compliance Management Toolkit Series. See the note in the Overview section for the current download location.
FREE
Release Date:
4/21/2009
Document
Document
A list of all security audit events for Windows Server 2008 and Windows Vista
FREE
Release Date:
4/16/2008
Security Patch
Security Patch
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS13-069. To find out if other security updates are available for you, see the Additional Information section at the bottom of this page.
FREE
Release Date:
9/6/2013
Document
Document
Build a security awareness program in your organization today with the Microsoft Security Awareness Toolkit
FREE
Release Date:
2/25/2010
Document
Document
Download guidelines for architecting, designing, building, reviewing, and configuring secure to build hack resilient ASP.NET Web applications across the application tiers, technology, and servers.
FREE
Release Date:
5/28/2004

★ ★ ★ ★ ★ WAGmob: An app platform for learning, teaching and training is offering DISCOUNT for a limited time only.Download today!!! ★ ★ ★ ★ ★ Buy this app just for $1.49. WAGmob brings you Simple 'n Easy, on-the-go learning app for Security and Privacy. The app helps you understand the basics of Security...
FROM:
$1.49
Release Date:
1/1/0001
Document
Document
Join MS executives as they discuss the latest Security Intelligence Report (SIR) and the recent trends Microsoft has seen: software vulnerabilities, malicious software (malware), spyware, and the like. Learn what that means for your business and what actions you should take to protect your business.
FREE
Release Date:
11/16/2007
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2002 that could allow arbitrary code to run when a maliciously modified document is opened. This update resolves that vulnerability.
FREE
Release Date:
5/11/2009
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2002 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves the vulnerability so that Microsoft PowerPoint 2002 documents are handled appropriately.
FREE
Release Date:
2/4/2010
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2003 that could allow arbitrary code to run when a maliciously modified document is opened. This update resolves that vulnerability.
FREE
Release Date:
5/12/2009
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2007 that could allow arbitrary code to run when a maliciously modified document is opened. This update resolves that vulnerability.
FREE
Release Date:
5/11/2009
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