Best Computer Security Software

Compare the Top Computer Security Software as of October 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
    SpamTitan

    SpamTitan

    TitanHQ

    SpamTitan email security is an email spam filter for businesses, smbs, MSPs, and schools. SpamTitan email security blocks spam as well as phishing and day-zero attacks, viruses, malware, ransomware, and other email threats. Helps control mail flow, clean it, and protect against unwanted email. We provide easy-to-use yet advanced email security for businesses, smbs and MSPs that are Office365 friendly. SpamTitan - Premium functionality included: • CEO Impersonation protection • Phishing/ Spear phishing protection • Link analysis • Full Sandboxing • Zero Day Attacks protection • Mail Spooling • Spoofing protection • Malware and Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Fully multitenant environment • Ability to rebrand the entire UI • Full REST API: • Comprehensive support and set up docs Try a FREE, fully supported trial of SpamTitan Email Security today.
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    Starting Price: $2.14/user/month
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  • 2
    Avast Business Hub
    The Business Hub is an integrated, cloud-based security platform for businesses and IT service providers to manage all Avast Business solutions deployed in their networks. It provides real-time visibility of threats, comprehensive reporting, and management capabilities, all from a single pane of glass. Formerly known as CloudCare, the Business Hub is an easy-to-use cloud security platform with a refreshing new UI.
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    Starting Price: $36.99
  • 3
    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.
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