Compare the Top Free Computer Security Software as of May 2025

What is Free Computer Security Software?

Computer security software helps protect devices, networks, and sensitive data from unauthorized access, cyberattacks, and other security threats. These tools provide a range of protective features such as antivirus, firewall, encryption, malware detection, and intrusion prevention systems. Computer security software is essential for safeguarding against viruses, ransomware, spyware, and phishing attacks, ensuring the integrity, confidentiality, and availability of data. Many security solutions also offer real-time monitoring, automated updates, and threat intelligence to detect and mitigate new vulnerabilities as they emerge. Businesses and individuals rely on computer security software to reduce risks, comply with regulations, and maintain a secure computing environment. Compare and read user reviews of the best Free Computer Security software currently available using the table below. This list is updated regularly.

  • 1
    GhostVolt

    GhostVolt

    GhostVolt Ltd

    GhostVolt is a security App which protects your privacy and stops unauthorised access to your files and folders and helps fight against cybercriminals who want to steal your data and use it for identity theft, ransomware, blackmail, and other criminal attacks. With GhostVolt, you can secure all your personal files including your health records, photos, movies, tax returns or any other document so you’re in control of who has access to your files and data, all the time. All your files are automatically encrypted with industry standard 256 AES encryption and because it works just like your regular file manager, you already know how to use it. GhostVolt works perfectly with Microsoft OneDrive and allows you to automatically backup and sync your protected files across your computers, you also get an integrated secure note manager, secure file sharing, file comments and tagging and so much more.
    Starting Price: $20 per year
  • Previous
  • You're on page 1
  • Next