Best Computer Security Software

Compare the Top Computer Security Software as of November 2025

What is 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 Computer Security software currently available using the table below. This list is updated regularly.

  • 1
    Votiro

    Votiro

    Votiro

    The only file security solution that ensures all files coming into your enterprise are completely safe. Unlike detection-based file security solutions that scan for suspicious elements and block files, Positive Selection singles out only the safe elements of each file, ensuring every file that enters your organization is 100% safe. Any file, anywhere, anytime. With a deep, expert understanding of all types of files, Votiro’s Secure File Gateway eliminates threats from the widest possible range of files, no matter how they enter your organization.
  • 2
    Sealit

    Sealit

    Sealit Technologies

    When implementing a Zero Trust security model you shouldn’t question if your accounts or devices will get get compromised - assume they will. With Sealit, the sensitive data in your emails and files will remain fully protected even in that scenario. It takes one click from your existing inbox to encrypt your sensitive emails. It takes one click to encrypt any file format on your desktop. We made sure your workflow isn’t disrupted as we add a strong layer of protection to your sensitive data. Human error accounts for over 90 percent of cyber attacks on businesses, so you need to have a system in place to minimize the risk. Our patent-pending end-to-end encryption ensures each facet of your business is protected. Our app uses biometrics as authentication which provides you a seamless protection experience. Unlike passwords, biometrics cannot be taken away from you, there’s nothing you need to remember, and you always have it with you.
  • 3
    Clearswift Secure Email Gateway
    Clearswift Secure Email Gateway (SEG) provides uniquely powerful protection of an organization's email data against inbound cyber-attacks and outbound data loss prevention. As the number one method of communication for most organizations, email has become one of the top sources for cybercriminals to infiltrate your systems and take hold of your critical data. Our Secure Email Gateway protects against known and unknown malware but also advanced threats including phishing. IT teams need to ensure that information being shared across email both in and out of the organization is not only secure, but appropriate and compliant. Clearswift’s unparalleled level of inspection and granular policy controls apply the optimal security treatment to your emails in real time so your communications remain safe and flowing, and business disruptions are minimized.
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