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Top Rated Website Security Software with Open source

Last updated: November 2026

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88 software options

WP Cerber Security logo

Cybersecurity, anti-spam and malware scanning software

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WP Cerber Security is a cybersecurity software designed to help businesses scan WordPress websites for spam, malware, and hack attempts. The application uses inspection algorithms and a bot engine to screen incoming traffic requests for malicious activities, identify threat patterns, and automatically block them from entering the network.

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Beagle Security logo

Secure your web apps & APIs from the latest vulnerabilities

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Beagle Security helps you to identify security weaknesses and vulnerabilities on your web apps & APIs before hackers harm you in any way.

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Sense Defence AI logo

Firewall software

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Sense Defence AI WAF is an AI-powered Web Application Firewall (WAF) solution offering real-time threat detection, intelligent traffic analysis, and proactive attack blocking.

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Wordfence logo

Endpoint firewall for WordPress websites.

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Wordfence is a web application firewall that identifies and blocks malicious traffic on WordPress websites. With an integrated security scanner, Wordfence can analyze WordPress files, themes, and plugins for malware, SEO spam, bad URLs, malicious redirects, and code injections.

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DNSFilter logo

Cloud-based cybersecurity and network monitoring platform

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DNSFilter is a cybersecurity management software that enables enterprises, K-12 schools, and universities to detect online security threats and malware using artificial intelligence (AI) technology, machine learning (ML) algorithms, and content filtering capabilities.

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Hackrate logo

Companies need ethical hackers more than ever

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Secure platform to keep vulnerability reports centralized and easily manageable.

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Orca Security logo

Cloud-native security & compliance platform for enterprises

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Orca Security is an agentless cloud security platform (CNAPP) unifying CSPM, CWPP, CIEM, DSPM, API Security, AI-SPM, and vulnerability.

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GlitchSecure logo

Real-time Continuous Security Testing

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GlitchSecure is a cloud-based vulnerability scanner, which helps small to large businesses in healthcare, technology, and other sectors streamline continuous security testing via penetration testing, real-time notifications, automated reporting, and more. The platform offers various features such as vulnerability assessment, remediation verification, data dashboards, collaboration tools, and APIs.

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Corgi.pro logo

Cloud-based website monitoring solution

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Corgi is a web-based application designed to protect and secure websites. The application offers a suite of features to streamline website management and ensure optimal performance and security.

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INLYSE Malware.AI logo

VISUAL AI BASED MALWARE DETECTION

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INLYSE Malware.AI is a revolutionary visual AI-based malware detection solution that utilizes cutting-edge technology to convert files into graphical representations and analyze them comprehensively for any signs of malware.

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GeeTest CAPTCHA logo

Bot management system for protecting websites & mobile apps

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GeeTest CAPTCHA protects websites, mobile apps, and APIs against malicious bot attacks while ensuring a smooth user experience.

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Cyber Chief logo

Release cloud software with zero known vulnerabilities

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Cyber Chief is a vulnerability scanner and issue management tool that helps ship software with zero known security vulnerabilities.

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Kinsta logo

Managed WordPress hosting with next-gen infrastructure.

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Next-gen hosting infrastructure for WordPress sites. 5-star reviews for site speed, security, and support.

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Red Sentry logo

Human-Led Penetration Testing, Done Right

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Human-led, AI-assisted penetration testing that helps teams validate real security risks across applications, cloud environments, and networks.

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Cloudflare logo

Performance & Security for Any Website

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Cloudflare protects and accelerates million of website online using a single change to your DNS by offering CDN functionality and advanced security.

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Hexiosec ASM logo

Discover your external attack surface before attackers do.

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Hexiosec ASM discovers your organisation's internet-facing assets, shadow IT and misconfigurations, then prioritises the resulting vulnerabilities into a clear, actionable risk workflow with API access and reporting built in.

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Astra Pentest logo

Continuous Pentests (VAPT) that scales with your dev velocit

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AI Powered offensive Pentest Platform

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Probely logo

Automate Security Testing from Threat Found to Ticket Closed

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Probely helps security & software engineers find vulnerabilities, instructions on how-to-fix them and automate security testing with ease.

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ThreatLocker Zero Trust Platform logo

Zero Trust Platform

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ThreatLocker is a Zero Trust platform that blocks unknowns, enforces least privilege, and protects endpoints from cyber threats.

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WP Ghost by AISQ logo

Cloud-based vulnerability management platform

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WP Ghost by AISQ provides an extra layer of security for WordPress sites by camouflaging WordPress-specific vulnerabilities from hacker bots.

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Netskope Active Platform logo

Safe cloud enablement solution

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Netskope is an application designed to help companies secure their complete cloud app infrastructure.

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Kount logo

eCommerce fraud detection & prevention

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Kount's online platform provides a simple and comprehensive tool to reduce fraud and manual reviews for online and CNP merchants

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Intruder logo

Vulnerability scanner that prevents security & data breaches

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Intruder is a cloud-based vulnerability scanner which scans digital assets, identifies threats and generates reports. Designed for small to medium businesses, it assists users with automated assessments, bug tracking, patch management, network security, data encryption & hybrid penetration testing.

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Jetpack logo

Security, performance, and growth tools made for WordPress s

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The most popular WordPress plugin for just about everything.

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Incapsula logo

Safer, Faster Website

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Incapsula is a cloud-based web application security platform to optimize, protect and enhance website performance. It allows website traffic to route through Incapsula’s global network of high-powered servers that accelerate outgoing traffic and optimize it for faster load times.

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