Webopedia on Google+Webopedia on TwitterWebopedia on FacebookTech Bytes Blog
Main » TERM » W »

Windows Defender

Windows Defender is an anti-malware tool built into Microsoft's Windows 8 and newer operating systems that is designed to protect computers from viruses, spyware and other forms of malware.

While Windows Defender can't be downloaded or used on versions of Windows prior to Windows 8, Microsoft does offer a predecessor to Windows Defender called Microsoft Security Essentials that can be freely downloaded and used on Windows Vista and Windows 7 operating systems.

Windows Defender vs. Microsoft Security Essentials

Both of these Microsoft Security Software tools offer real-time protection against viruses, rootkits, spyware and other malicious software as well as features like online and offline system scanning and cleaning. One key differentiating feature, though, is that only Windows Defender offers enhanced protection against rootkits and bootkits.

Windows Defender primarily runs in the background, only notifying users when a specific action needs to be addressed. Users can also run scans on demand if desired or manually update the tool with the latest security definition files.

What Is Windows Defender Offline?

Microsoft also offers a version of Windows Defender called Windows Defender Offline that can be used via a USB flash drive or CD/DVD to help detect and remove specific types of malware that are designed to prevent users from being able to access Windows Defender and other types of anti-malware software.







TECH RESOURCES FROM OUR PARTNERS
DID YOU KNOW?
The Five Generations of Computers

Learn about each of the five generations of computers and major technology developments that have led to the current devices that we use today. Read More »

Cloud Computing Market Leaders, 2015

If not for AWS, Microsoft would dominate the cloud. The race to capture market share will grow ever more fierce in the years ahead. Here's a look... Read More »

OpenStack Brings Liberty to the Cloud

Massive changes set to come to the cloud as Big Tent model lands in widely deployed cloud platform used by Walmart, Comcast, AT&T, Time Warner... Read More »

QUICK REFERENCE
29 Free Android Apps for Cash-Strapped Students

From wacky alarm clocks to lecture hall tools and after class entertainment, these Android apps are a good fit for a student's life and budget. Read More »

Network Fundamentals Study Guide

A network is a group of two or more computer systems or devices, linked together to share resources, exchange files and electronic communications.... Read More »

Computer Architecture Study Guide

This Webopedia  study guide describes the different parts of a computer system and their relations. Read More »