Nessus Professional is a widely‑used vulnerability scanner. Below are 20 comparable tools that provide vulnerability assessment, risk prioritisation, and remediation guidance for on‑premises, cloud, and hybrid environments.
Get targeted exposure with custom position pinning and highlighted placement.
Cloud‑based scanner that continuously discovers and assesses vulnerabilities across IT assets, with integrated patch tracking and compliance reporting.
Live vulnerability management platform offering real‑time visibility, risk scoring, and automated remediation workflows for on‑prem and cloud workloads.
Open‑source scanner with a large, regularly updated CVE feed; provides comprehensive scanning, reporting, and remediation guidance.
SaaS version of Tenable’s scanner suite, delivering continuous asset discovery, vulnerability assessment, and Lumin analytics for risk prioritisation.
On‑premise vulnerability scanner that integrates with InsightVM for live monitoring, offering dynamic asset discovery and risk scoring.
Specialised scanner for web‑application vulnerabilities, complementing Qualys VM with automated crawling, authentication handling, and detailed remediation advice.
Enterprise‑grade vulnerability management platform that combines asset discovery, risk scoring, and compliance mapping across hybrid environments.
Comprehensive vulnerability assessment solution with integrated patch management, compliance reporting, and a robust remediation workflow engine.
Agent‑less scanner that provides continuous vulnerability assessment, prioritisation, and integration with McAfee ePolicy Orchestrator for remediation.
Integrates vulnerability data into QRadar SIEM, correlating findings with threat intelligence to prioritise remediation based on real‑time risk.
Built‑in to Microsoft Defender for Endpoint, it provides continuous discovery, assessment, and remediation guidance for Windows environments.
Cloud‑native vulnerability management platform that aggregates data from multiple scanners, enriches with threat intel, and offers automated remediation.
Risk‑based vulnerability management solution that uses machine learning to prioritise findings and integrates with ticketing and patch tools.
Analytics layer for Tenable.io/SC that provides actionable risk scores, trend analysis, and ROI reporting for security investments.
Complementary to Qualys VM, this module automates patch identification, deployment, and verification across Windows, Linux, and third‑party applications.
Developer‑focused tool that scans open‑source dependencies, containers, and IaC for known vulnerabilities, providing fix pull‑requests and remediation advice.
Web‑application security scanner that also discovers underlying server‑side vulnerabilities, offering detailed reports and automated remediation suggestions.
Interactive web‑application security testing platform with automated scanning capabilities and extensive manual testing tools.
Specialised scanner for container images and registries, detecting vulnerabilities, misconfigurations, and compliance gaps in CI/CD pipelines.
Dynamic application security testing (DAST) solution that continuously scans web apps for vulnerabilities and integrates with InsightVM for unified risk view.