Intruder is described as 'Security monitoring platform for internet-facing systems' and is a vulnerability scanner in the security & privacy category. There are more than 50 alternatives to Intruder, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and Mac apps. The best Intruder alternative is Shodan, which is free. Other great sites and apps similar to Intruder are Burp Suite, OpenVAS, Nessus and Zed Attack Proxy (ZAP).
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...
Mister Scanner tests for thousands of security loopholes and sends you weekly security reports generated after testing the site for more than a thousand security problems that hackers use today.
Stop breaches before they happen. RogueSight protects your Web Applications and APIs with continuous scanning, actionable insights and clear remediation guidance.
Attack Surface Monitor discovers and tracks what your organisation exposes to the internet, from a server you control. It ships as a single Go binary with SQLite - no database server, no agents, no telemetry.
Mageni provides a free, open-source and enterprise-ready cybersecurity vulnerability management solution.
Shieldome is a web vulnerability scanner and continuous security monitoring platform - OWASP Top 10, PCI DSS, GDPR, and SOC 2 checks with white-label reports, built for developers and agencies.
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.
Continuous security platform providing external infrastructure, web app, and repository vulnerability scanning using open-source engines with SAST, network, and port assessments, findings grouped by severity, automated workflow integration, unlimited users, and fast setup.
Scan all 65,535 TCP ports daily, not just the top 1,000. NoxScan uses eBPF, masscan, ZGrab2, Nuclei, and AI to discover your external attack surface, reduce false positives, map CVEs, and generate SOC 2/ISO 27001-ready reports. From €10/mo. 30-day free trial.
Scan your APIs for prompt injection and 12 security checks in less than a minute, MCP, CLI and GH Action ready to CI/DI integration.
A cybersecurity service that provides hybrid penetration testing by combining AI automation with manual human expertise. Their core promise is "Zero False Positives," aiming to offer validated security intelligence rather than just automated scan results.
Continuous external attack surface monitoring to identify vulnerabilities before attackers do.
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