What is Windows Defender?

Windows Defender, known as Microsoft AntiSpyware, is a security program whose purpose is to prevent, remove and quarantine spyware in Microsoft Windows. It is also included and activated by default in Windows 10 and older distributions.

What is Windows Defender?

Windows Defender History

   Beta 1

Windows Defender is based on GIANT AntiSpyware originally developed by GIANT Company Software. Microsoft acquired GIANT on December 16, 2004.

While the original GIANT AntiSpyware is backward compatible with Windows, support for the Windows 9x operating system has been terminated.

However, Sunbelt Software, which is actually a partner of GIANT, sells a product based on the same technology called CounterSpy and still supporting previous Microsoft operating systems.

The first version of Microsoft AntiSpyware was released in a beta format on January 6, 2005, and was basically a repackaged GIANT AntiSpyware.

It was a free product with some new features and was just renamed to a Microsoft product.

More builds have been released and the latest Beta 1 update was released on November 21, 2005.

   Beta 2

At the RSA Security 2005 Conference, Microsoft Software Architecture and Founder Bill Gates announced that Windows Defender will be offered to all licensed Windows 2000, Windows XP, and Windows Server 2003 users for free to help protect your systems.

Windows Defender was released on February 13, 2006. It included a new program name and a new user interface design.

The main engine was rewritten in C, unlike the original developed in GIANT written in Visual Basic. It improves the performance of the application.

Also, since beta version 2, the program runs as a Windows service, unlike previous versions that allow the application to protect the computer, even if a user is not logged on.

The Windows Defender application is technically an interface to the service of the same name.

Beta 2 also requires genuine Windows validation. However, Windows Defender (Beta 2) did not include some Microsoft AntiSpyware tools (Beta 1).

Microsoft removed the vaccination system tools, Secure Shredder and MSAS System Explorer (Beta 1), and the Track Eraser tool that allows users to easily remove many different temporary files related to Internet Explorer 6, including cookies, temporary internet files.

   Final Version

On October 24, 2006, Microsoft released the latest version. Compatible with Windows XP, Windows Server 2003, and Windows Vista; however, unlike beta versions, it does not work by default in Windows 2000.

Based on the most frequently asked questions, when Windows 2000 support was last abandoned, the standard support has expired and has not been viewed as a consumer operating system.

However, Microsoft has confirmed that this problem exists in Microsoft products, and a formal solution for Windows 2000 users is available in Microsoft Help and Support.

Key Features

Microsoft Defender scans capabilities similar to other free products on the market and includes a set of real-time security guards that monitor various common areas of Windows for changes caused by spyware.

It also includes the ability to easily uninstall ActiveX applications installed in Internet Explorer.

It also integrates Microsoft’s SpyNet network support, enabling users to inform Microsoft about possible spyware attacks and which device and application drivers can be installed on their computers.

Another of its features is that the two services with assets consume almost 90 MB of resources in the system where they consume approximately 90 MB.

Updates are practically daily, so we will always update the virus database.

In Windows 10, you can easily deal with viruses without using any other antivirus program and you do not have to format your computer or restore it from backup.

Microsoft Defender is an antivirus software that does more than performing its task as long as we know what we download from the internet and listen to its alerts.

As with other antivirus programs, you can follow or not follow instructions to remove suspicious files. In addition, you can check out this article to remove the Defender from your Microsoft Windows operating system.

Advanced Features

Windows Defender can configure real-time protection for the following options.

   Auto Start

It monitors the list of programs that run automatically when you start your computer.

   System Settings

Shows security-related information in Windows settings.

   Internet Explorer Add-ons

It monitors programs that run automatically when you start Internet Explorer.

   Internet Explorer Settings

Tracks browser security settings.

   Internet Explorer Downloads

It monitors files and programs designed to work with Internet Explorer.

   Services and Drivers

As it interacts with Windows and its programs, it examines monitor and driver services.

   Application Execution

It monitors startup programs and all processes they perform while running.

   Application and Registration

It monitors tools and files that programs in the operating system can save to run at any time.

   Windows Add-ons

Tracks add-on programs (also known as utilities) for Windows.

Integration with Internet Explorer

Internet Explorer has an integration that allows scanning of files when downloaded to ensure that malware is not accidentally downloaded.

This application is similar to real-time scanners of many antivirus products on the market.

Although not combined with Firefox, Windows Defender scans downloaded files for malicious code as part of real-time protection.

Browser Software

The advanced tools section allows users to discover possible vulnerabilities with a range of software scanners.

They provide views of startup programs, running software, applications, and connected Winsock providers on the network. In Navigator, each item is classified as “Known”, “Unknown” or “Potentially unwanted”.

The first and last categories include a link to learn more about a particular item, and the second category invites users to submit the SpyNet program for expert analysis.

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