Intruder Alternatives

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, Zed Attack Proxy (ZAP) and Nessus.

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Alternatives list

  1. Stop breaches before they happen. RogueSight protects your Web Applications and APIs with continuous scanning, actionable insights and clear remediation guidance.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
  2. Mageni icon
     Like

    Mageni provides a free, open-source and enterprise-ready cybersecurity vulnerability management solution.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  3. WoTT icon
     Like

    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.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Linux
    • Online
    • Software as a Service (SaaS)
     
  4. NoxScan icon
     Like

    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.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
     
  5. 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.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  6. Retestme icon
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    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.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
  7. Identify, prioritize, and remediate risks & vulnerabilities in your network and web applications through Adaptive Expert Intelligence, Prioritized Threat Prediction, and Frictionless Remediation.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
     
  8. The goal of cvechecker is to report about possible vulnerabilities on your system, by scanning the installed software and matching the results with the CVE database. Indeed, this is not a bullet-proof method and you will most likely have many false positives (vulnerability is...

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Linux
     
  9. RedGem icon
     Like

    Discover, monitor, and protect your organization's entire digital footprint with real-time alerts for security changes.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
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