Alternatives
Nessus Alternatives & Similar Tools
Compare tools related to Nessus. Suggestions combine curated relationships with focused catalog matches from the GuruStacks directory.
OpenVAS
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Open-source vulnerability scanner providing comprehensive network security auditing and vulnerability assessment for detecting security issues across IT infrastructure.
Burp Suite
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Astelia
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Claude Security
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Code security scanner that reasons through data flows and dependencies to identify complex, multi-file vulnerability patterns and generates targeted patches.
Trivy
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Open-source security scanner by Aqua Security for finding vulnerabilities, misconfigurations, and secrets in containers, filesystems, Git repos, and Kubernetes clusters.
Qualys
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Enterprise cloud security and compliance platform providing vulnerability management, web app scanning, container security, and compliance monitoring across hybrid IT environments.
OWASP ZAP
similar - 4.2 rating
Open-source web application security scanner for finding vulnerabilities during development and testing.
Checkov
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Policy-as-code static analysis tool that scans IaC configurations across Terraform, CloudFormation, and Kubernetes for security misconfigurations.
John the Ripper
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Open-source password security auditing and recovery tool supporting 100+ hash types for testing password strength across platforms.
NordVPN
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Leading VPN service offering encrypted tunneling, threat protection, and privacy tools across all major platforms with a strict no-logs policy.
Accuknox
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Cloud security platform that detects and fixes misconfigurations across public and private cloud infrastructure.
Ethiack
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Ethical hacking platform combining AI and human expertise to identify vulnerabilities and manage external attack surface.