Nessus is described as 'Identify system vulnerabilities with automated assessments and prioritize remediation through a scoring system, offering guidance for all experience levels' and is a vulnerability scanner in the network & admin category. There are more than 50 alternatives to Nessus for a variety of platforms, including Web-based, Linux, Windows, SaaS and Mac apps. The best Nessus alternative is SiteOne Crawler, which is both free and Open Source. Other great apps like Nessus are Metasploit, OpenVAS, PhoneSploit Pro and ScanAnchor.
Network Hotfix Scanner is a free advanced hotfix check utility that scans network computers for missing hotfixes and patches, and helps you download and install them. NetHotfixScanner gives you a quick look at the hotfixes and patches installed or missed on any remote computer...
United States
Runecast is an AI-powered, agentless scanning solution that allows organizations to keep their workloads secure and compliant anywhere. It automates vulnerability assessment, configuration drift management, and continuous compliance – for VMware, Cloud and Containers.
United Kingdom
Lead of security scanners, meticulously tailored to pinpoint and evaluate the security vulnerabilities in WordPress websites.
Mageni provides a free, open-source and enterprise-ready cybersecurity vulnerability management solution.
United States
Mac-native, agentless tool that runs nightly CVE and security audits of your remote Linux fleet over SSH - no agents, no SaaS.
South Africa
RedEye is an open-source analytic tool developed by CISA and DOE’s Pacific Northwest National Laboratory to assist Red Teams with visualizing and reporting command and control activities. This tool, released in October 2022 on GitHub, allows an operator to assess and display...
United States
Website Security Store offers affordable website security solutions like secure web hosting, SSL Certificate, code guard, malware scanner & more.
Kayvrn is an outside-in security-monitoring platform for businesses that need to understand what an attacker can see from the internet. Enter a domain and Kayvrn runs 57 automated external checks across email security, websites, DNS, cloud services, exposed APIs and related...
United Kingdom
The Crashtest Security Suite is a web application and API vulnerability scanner. Our software provides fully automated security testing for your whole web application portfolio: detailed, accurate and easy to implement.
Stop breaches before they happen. RogueSight protects your Web Applications and APIs with continuous scanning, actionable insights and clear remediation guidance.
Estonia
EU
kube-hunter hunts for security weaknesses in Kubernetes clusters. The tool was developed to increase awareness and visibility for security issues in Kubernetes environments. You should NOT run kube-hunter on a Kubernetes cluster that you don't own!
Israel
Improve your authentication security for your linux servers with mutual TLS (mTLS). WoTT automatically rotates private keys with our public key infrastructure (PKI) and lets you seamlessly and easily manage certificates at scale.
United Kingdom
