ONUS is a security assessment platform that runs eight industry-standard scanners in a single workflow to identify risks on authorized websites. It produces a prioritized report that includes CVSS v3.1 scores, evidence, and remediation steps written in plain English for non-specialists.
The process begins when a user enters a domain they are authorized to test. ONUS refuses private IP ranges and unverified targets. Eight scanners then execute in parallel: recon, web, TLS, headers, OWASP, fingerprinting, CVEs, and directory enumeration. These cover DNS enumeration, subdomain discovery, WHOIS lookups, open port detection, and active vulnerability scanning. Findings are de-duplicated, re-verified, scored with CVSS v3.1, and presented in a unified report that ranks issues by severity.
It is delivered as either a self-hostable option or a fully managed service. Scans are authorized only, require no credit card to start, and produce assessment reports that combine outputs from multiple tools into one consistent format. The approach relies on deterministic, verifiable assessments where evidence decides the results and AI is used only to generate explanations.
ONUS is a Security & compliance platforms product. It focuses on understanding and prioritizing security vulnerabilities from multiple scanner outputs without manual parsing or security expertise. ONUS is a B2B product aimed at security teams. There is a free tier. ONUS is available on the web and the command line, and it can be self-hosted.
ONUS builds and maintains ONUS, and the product first shipped in 2026. The project is developed in the open on GitHub with 111 commits in the last 90 days. Among its 6 catalogued features are multi-scanner orchestration, Plain English explanations, and CVSS v3.1 scoring. It exposes integrations via a public API.
Latest indexed changes and source events
[Python] ONUS: vulnerability scanner that explains every finding in plain English and tells you how to fix it verified by the PulseGate indexer
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