Best Vulnerability Scanning Tools

Detectify is the application security platform that gives modern security teams ultimate control over their actual attack surface, delivering proprietary vulnerability data designed for both humans and agents.

Ermetic provides a CIEM platform that discovers and analyzes human and machine identities, entitlements, and access risks across AWS, Azure, and Google Cloud. Acquired by Tenable in 2023 and rebranded as Tenable CIEM, it combines CIEM with CSPM for contextual visibility into IAM policies, network configurations, storage, and secrets. It exposes overprivileged entitlements, toxic combinations, and enforces least privilege via automated remediation and anomaly detection. Best for multi-cloud enterprises needing unified CNAPP capabilities to manage complex entitlement sprawl without agents.

F‑Secure is a human-first, AI‑powered consumer cyber security experience company with 38 years of expertise in tackling digital threats. We help digital service providers turn trust into a high-value growth engine, protecting their customers while enabling them to live their best digital lives in a world of relentless, AI‑driven scams.

Greenbone Enterprise Appliance (also known as OpenVAS, Open Vulnerability Assessment System, Greenbone's open-source scanner) provides professional vulnerability management built on the OpenVAS framework. It offers robust scanning, asset management, and reporting capabilities, with both an enterprise appliance for organizations seeking reliable, scalable security assessments and an open-source edition often used for cost-effective vulnerability assessment, penetration testing support, and educational purposes.

Intruder provides a cloud-based vulnerability management platform founded in 2015 by Chris Wallis to address prioritization challenges in vulnerability scanning. It serves over 3,000 mid-market enterprise and government customers worldwide with continuous scanning using 65,000+ checks for known vulnerabilities, proactive emerging threat scans for zero-days, and attack surface discovery across external infrastructure, web apps, APIs, and cloud environments. The platform emphasizes risk prioritization, automated alerts, resolution tracking, and reporting on fix velocity and threat posture trends, replacing fragmented tools for lean security teams facing advanced threats.

Leading Global Provider of Exposure, Identity and Access Management, made in Europe

ProjectDiscovery (Nuclei) is an open-source, template-driven vulnerability scanning engine that is used in attack surface management to discover exposed assets, identify internet-facing services, and detect weaknesses across web applications, APIs, DNS, cloud infrastructure, and networks. In the ASM scope, it is strongest as a scanner and validation layer rather than a broad asset inventory platform, giving security teams attacker-style visibility into exposed hosts and services. It is a fit for practitioners who want programmable, repeatable scanning with a large community template ecosystem and minimal vendor lock-in. ProjectDiscovery also offers adjacent SaaS and agentic products, but Nuclei itself remains the core scanning engine.

Qualys provides Vulnerability Management, Detection and Response (VMDR), a cloud-based platform that automatically discovers assets across on-premises, cloud, and mobile environments, including unmanaged devices. It scans for vulnerabilities using over 20,000 checks from its Vulnerability KnowledgeBase, correlates findings with threat intelligence and machine learning to prioritize risks on critical assets, and detects indicators of compromise. VMDR supports hybrid IT scanning from a single console, generates role-based reports for compliance, and integrates with ticketing systems for automated remediation workflows. Best for enterprises needing continuous visibility and prioritization in complex, distributed networks.

Rapid7 is a global leader in AI-powered managed cybersecurity operations, trusted to advance organizations' cyber resilience. Open and extensible, the Rapid7 Command Platform integrates security data, enriching it with AI, threat intelligence, and 25 years of expertise and innovation to reduce risk and disrupt attackers.

SecPod was founded on a clear belief cyberattacks should be prevented, not chased after the damage is done.

Wapiti is an open-source black-box web application vulnerability scanner used in penetration testing to probe live sites for common flaws without source-code access. It targets deployed HTTP applications and is best suited for testers who need lightweight, repeatable web attack surface validation rather than full red-team adversary emulation. Its market position is that of a classic web pentest utility, not a broad red-team platform. It is especially useful for security researchers, consultants, and administrators auditing public-facing web apps.