Compare the Top Free Cybersecurity Software as of December 2025

What is Free 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 Free Cybersecurity software currently available using the table below. This list is updated regularly.

  • 1
    Google Cloud Platform
    Google Cloud Platform provides a comprehensive suite of cybersecurity services to protect cloud resources, including encryption, identity management, and real-time threat detection. With tools like Google Cloud Armor for DDoS protection and Cloud Security Command Center for security insights, GCP ensures that businesses can safeguard their data and infrastructure. New customers get $300 in free credits to run, test, and deploy workloads, giving them the opportunity to evaluate GCP's security features and ensure robust protection for their applications. GCP’s security tools are designed to protect sensitive data across all layers of the cloud, from data storage to application deployment. Furthermore, Google’s multi-layered approach to security provides proactive defense, which includes automatic security patching, vulnerability scanning, and access control management.
    Leader badge
    Starting Price: Free ($300 in free credits)
    View Software
    Visit Website
  • 2
    Cloudflare

    Cloudflare

    Cloudflare

    Cloudflare is the foundation for your infrastructure, applications, and teams. Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications. It protects your internal resources such as behind-the-firewall applications, teams, and devices. And it is your platform for developing globally scalable applications. Your website, APIs, and applications are your key channels for doing business with your customers and suppliers. As more and more shift online, ensuring these resources are secure, performant and reliable is a business imperative. Cloudflare for Infrastructure is a complete solution to enable this for anything connected to the Internet. Behind-the-firewall applications and devices are foundational to the work of your internal teams. The recent surge in remote work is testing the limits of many organizations’ VPN and other hardware solutions.
    Leader badge
    Starting Price: $20 per website
    View Software
    Visit Website
  • 3
    Splunk Enterprise
    Splunk Enterprise is a powerful platform that turns data into actionable insights across security, IT, and business operations. It enables organizations to search, analyze, and visualize data from virtually any source, providing a unified view across edge, cloud, and hybrid environments. With real-time monitoring, alerts, and dashboards, teams can detect issues quickly and act decisively. Splunk AI and machine learning features predict problems before they happen, improving resilience and decision-making. The platform scales to handle terabytes of data and integrates with thousands of apps, making it a flexible solution for enterprises of all sizes. Trusted by leading organizations worldwide, Splunk helps teams move from visibility to action.
  • 4
    WikiLocks

    WikiLocks

    WikiLocks

    WikiLocks works the way you do, within your most common applications. Simply select the data you wish to protect, assign access to individuals or groups, and distribute the newly protected document. The protection follows your document throughout its lifecycle, no matter how it is accessed, copied, pasted and attached.
    Starting Price: $40
  • 5
    Instance Resolve
    Descriptive analytics (Prepares and analyzes historical data while identifying patterns from samples for reporting of trends). Predictive analytics (Finds relationships in data that may not be readily apparent with descriptive analysis). Reduces timeline to deliver critical information for security and compliance audits​. Automate Database Health Check that measure performance over time with drill-down capacities to find the root cause of the problem.
  • 6
    MirrorWeb

    MirrorWeb

    MirrorWeb

    We help firms manage and evidence changes in their digital content. Through the MirrorWeb Insight platform we capture, archive and monitor web, SMS, email, instant messaging, mobile platforms and social media channels, ensuring digital communication regulations are met and content remains compliant. Our technology is unrivalled. Through cloud-archiving we provide data sovereignty and store archives in a legally admissible format (WORM). Once captured, your archives can be replayed and searched through our platform at any time.
  • Previous
  • You're on page 1
  • Next