Best Cybersecurity Software

Compare the Top Cybersecurity Software as of December 2025

What is Cybersecurity Software?

Cybersecurity software is a category of technology used to protect computers and networks from malicious attacks. It operates by monitoring activity and blocking suspicious activity, as well as providing advanced security features such as encryption and authentication. It's an important tool for businesses to help ensure the safety of their data and systems. Compare and read user reviews of the best Cybersecurity software currently available using the table below. This list is updated regularly.

  • 1
    Spambrella

    Spambrella

    Spambrella

    Dynamically classify imposter email. Preemptively identify and sandbox suspicious URLs. Leverage big-data analysis to accurately classify bulk mail. All within a single service that connects with Microsoft 365 and Google Workspace. Spambrella’s Email Security and User Awareness Training technology is used by some of the World’s largest and most successful security-conscious companies in a multitude of continents and environments. Delivered on a global scale, Spambrella is ready to unify your email security and user awareness training requirements. Think of us as your outsourced email security team! We have deep technical expertise of all other service providers such as MxLogic, Mimecast, Symantec.cloud and know how to migrate you effortlessly. Schedule a demo today with our cybersecurity experts to uncover email threats targeting your email users.
    Starting Price: $1.00
  • 2
    gpg4o

    gpg4o

    Giegerich & Partner

    Preserve the privacy of your electronic correspondence. Send confidential email in Microsoft® Outlook® 2010/2013/2016 safely once and for all with gpg4o®, developed by Giegerich & Partner, based on OpenPGP, one of the most widely used and safest cryptographic techniques worldwide. gpg4o® is suitable both for private and enterprise use. gpg4o® by Giegerich & Partner guarantees the privacy of your electronic correspondence by mail encryption. gpg4o® enables the integration of one of the most widely used and safest email encryption systems into Microsoft® Outlook® 2010, Microsoft® Outlook® 2013, Microfost Outlook 2016 and for Microsoft® Outlook® 2019. Easy installation and an intuitive user experience help you preserve the privacy of your email. With the gpg4o® product maintenance, you will always get the latest features for more security and even better user experience.
    Starting Price: $93 one-time payment
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