Pro licence
Unlock batch scanning, monitoring diffs over time, and machine-readable outputs (JSONL/HTML/SARIF) for your whole portfolio. Offline licence key — no phone-home.
Get a Pro licenceExternal security posture, made legible
See your domain the way an attacker's recon does.
We read only public signals — DNS, TLS, HTTP headers, Certificate Transparency — and turn them into a scored, explainable report. Every point traces to a rule you can read and argue with. No agents, no access, no exploitation.
$ vantage scan <your-domain>
Reads public data only. Try it without installing anything. ~5 scans/min per visitor.
The security suite
Five focused, transparent tools. Read-only, explainable, zero-magic. Open on GitHub.
Work with us
Request an investigation
A hands-on external review of your domain's exposure, written up with prioritised remediation you can hand to your team. Fixed scope, from US$1,500.
Request an investigation