Best Free Security Software for Windows
Last Updated: October 29, 2012
The security software listed on this page is reputable and trustworthy. Additionally, the software will work on all versions of Windows operating system. You will also find links to up-to-date reviews.
Free Antivirus Software
An antivirus program is designed to protect a computer from malicious software. It uses an on-access scanner that provides constant real-time protection. You should only have one antivirus program running on each computer.
Review: Best Free Antivirus Software
Free Firewall Software
A software firewall allows you to control outgoing Internet traffic. If an unknown program tries to make a connection, the software firewall will alert you, give you the name of the program, and ask if you want to block it from the Internet. When choosing a software firewall, you need to be careful to pick the type that meets your needs.
Review: Best Free Firewall
Free HIPS Software
A Host Intrusion Prevention System (HIPS) provides additional protection. Unlike an antivirus, a HIPS doesn't require constant updates to stay ahead of the latest malware threats. Note: A HIPS should only be used by advanced computer users.
Review: Best Free HIPS
Free Password Managers
Password managers make it easy for you to organize and secure your passwords.
Review: Best Free Password Manager
Free Encryption Software
Encryption is the process of encoding information so that it cannot be read or accessed by anyone except someone who knows how to decrypt it. Encryption is commonly used to protect sensitive data such as documents, passwords, and credit card information.
Free Virus/Malware Removal Tools
Malware removal tools are designed to detect and remove malicious software from a computer. They only run when you tell them to, and they do not conflict with your antivirus program.
Keep Your Software Updated
Using outdated software is risky because of vulnerabilities. A critical vulnerability makes it possible for any user to make changes to the system and acquire more rights, so that malware can install completely without your knowledge.
Free Browser Protection Tools