Compare the Top Free Website Security Software as of October 2025

What is Free Website Security Software?

Website security software enables the protection of websites from cyber threats, online attacks and hackers through DDoS protection features and web application firewalls. Compare and read user reviews of the best Free Website Security software currently available using the table below. This list is updated regularly.

  • 1
    c/side

    c/side

    c/side

    VikingCloud noted that the c/side platform intercepted and blocked the third-party script actively to prevent data leakage.
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    Starting Price: $99 per month
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  • 2
    Source Defense

    Source Defense

    Source Defense

    Source Defense is a mission critical element of web security designed to protect data at the point of input. The Source Defense Platform provides a simple and effective solution for data security and data privacy compliance – addressing threats and risks originating from the increased use of JavaScript, third-party vendors, and open-source code in your web properties. The Platform provides options for securing your own code, as well as addressing a ubiquitous gap in the management of third-party digital supply chain risk – controlling the actions of the third-party, fourth and nth party JavaScript that powers your site experience. The Source Defense Platform protects against all forms of client-side security incidents – keylogging, formjacking, digital skimming, Magecart, etc. – by extending web security beyond the server to the client-side (the browser).
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  • 3
    Verosint

    Verosint

    Verosint

    Verosint's Threat Detection, Investigation and Response platform provides real-time, intelligent ITDR for both workforce and customer identities. -Fastest MTTD & MTTR: Detect and respond to Identity based threats faster than anyone else in the industry -Detect Advanced Threats: Spot session hijacking, credential stuffing, account takeovers and more -Investigate Efficiently: Our customers say investigating incidents has gone from days to minutes with our AI Insights, unparalleled visibility and intelligence -Remediate Quickly: Automatically resolve identity threats with our integrated remediation playbooks -Easy to Deploy: Deploys in 60 minutes or less
    Starting Price: $1/user/month
  • 4
    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.
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    Starting Price: $20 per website
  • 5
    Cloudbric

    Cloudbric

    Cloudbric

    Our cloud SWAP has been vetted to be one of the most comprehensive solutions against threats such as cross-site scripting (XSS), SQL injections, and Distributed Denial of Service (DDoS). Cloudbric’s patented logic-based SWAP (featuring pattern matching, semantic, and heuristic analysis) and core rulesets are fully automated and easy to use. Meaning, is no need for frequent signature updates or complicated configuration of security policies. Customization options are also available for private WAF deployments. Our service ensures your website. will stay online and be protected against distributed denial of service attacks (DDoS). Cloudbric actively blocks layers 3, 4, and 7 DDoS attacks scalable up to 20Tbps. Cloudbric is a fully managed cybersecurity service with policy optimization, malicious traffic monitoring, DDoS protection, online real-time dashboard and 24/7 technical support.
  • 6
    Fingerprint

    Fingerprint

    Fingerprint

    Stop fraud, spam, and account takeovers with 99.5% accurate browser fingerprinting as a service. Access suspicious visitor activity and geolocation at lightspeed. Integrate our API into your server-side business rules or signup process. Receive instant notifications delivered securely to your backend systems, ideal for building scalable and asynchronous processes. Powerful account takeover protection for any web application. Keep your customers' accounts safe by accurately identifying threats before they cause damage. Users that re-use passwords across multiple services are at risk of having their accounts accessed by fraudsters who purchased or hacked their account information from elsewhere. Catch these attempts by associating multiple login attempts from bot networks. Social engineering is still one of the most reliable methods for fraudsters to access accounts. Require new visitors to provide additional authentication to stop phished accounts from being accessed easily.
    Starting Price: $80 per month
  • 7
    Cerber Security

    Cerber Security

    Cerber Tech

    Cerber Security vigorously defends WordPress against hacker attacks, spam, and malware. Blazingly fast and reliable by design. A set of specialized request inspection algorithms screen incoming requests for malicious code patterns and traffic anomalies. Bot detection engine identifies and mitigates automated attacks. Mitigates brute force and code injection attacks. Restricts access with GEO country rules. Prevents both REST API and ordinary user enumerations. Restricts access to REST API and XML-RPC. Uses a global list of IP addresses known for malicious activity. Detects bots by using heuristic and content-based algorithms. Checks IP against a real-time database of IP addresses known for disseminating spam, phishing attacks and other forms of malicious activity. Thoroughly scans every file and folder on your website for malware, trojans, and viruses. Automatically removes malware and viruses. Monitors new, changed, and suspicious files.
  • 8
    Comodo cWatch

    Comodo cWatch

    Comodo Group

    The CSOC provides 24/7 security monitoring by certified security analysts and uses state-of-the-art technology. Analysts at the CSOC identify and analyze threats, provide alerting when appropriate to engage clients in resolution and to assist in mitigation. Comodo cWatch CSOC extends your internal IT team's capacity to protect your applications with advanced security solutions that are easy to implement, fully managed and do not require large upfront investments. It is designed to absorb the time-consuming and complex security incident investigation process while offloading the high costs of in-house security staff. With real-time web traffic monitoring and proactive incident identification, our security experts are able to notify organizations and take necessary actions quickly when an attack is detected. Continuous monitoring by Comodo CSOC security experts that have deep expertise in application security monitoring and management.
    Starting Price: $9.90
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