OpenVAS vs Qualys: 2026 Comparison
OpenVAS is a free vulnerability assessment tool. Qualys is a commercial vulnerability assessment tool by Oktacron. Compare features, ratings, integrations, and community reviews side by side to find the best vulnerability assessment fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Security teams with limited budgets who can tolerate manual tuning will find OpenVAS valuable for network-wide vulnerability discovery at zero cost. It runs on commodity hardware, covers CVSS scoring across 200,000+ known vulnerabilities, and integrates with Greenbone's commercial support if you need it later. Skip this if your organization lacks Linux administration depth or expects a polished UI and hands-off updates; OpenVAS demands configuration discipline and prioritizes breadth of scanning over ease of operation.
Enterprise security teams managing hybrid cloud infrastructure need Qualys for its ability to correlate vulnerability data across thousands of assets in real time, which cuts triage time against mid-size competitors. The platform covers ID.AM and DE.CM strongly, meaning you get asset discovery that actually stays current and continuous monitoring that flags drift without requiring manual refresh cycles. Skip this if you need deep application-layer scanning or CSPM capabilities bundled in; Qualys assumes you're running dedicated tools for those functions and focuses narrowly on vulnerability detection and risk ranking.
