Is Nix & NixOS secure?

Legit.Show measured Nix & NixOS's Security frame at 45/100. Security headers present: HSTS. Served over HTTPS with a valid certificate.

How does Legit.Show measure Nix & NixOS?

Legit.Show scores seven frames — Performance, Accessibility, Security, Privacy, Reliability, Standards and Discoverability — deterministically from the public surface (URL, HTTP headers, real Lighthouse), with no LLM in the scoring path. See legit.show/methodology.

Infrastructure & DevOps

Nix & NixOS

Nix is a package manager and system configuration tool for reproducible builds.

75/100

7-Frame production-readiness — according to Legit.Show

Is Nix & NixOS production-ready?

Legit.Show measured Nix & NixOS at 75 out of 100 on its 7-Frame production-readiness benchmark (public-surface assessment). Its strongest frame is Reliability (100); its weakest is Privacy (45). Every frame is measured deterministically from the public surface — exactly what was observed is shown below.

The 7 Frames

Performance — 90/100
Accessibility — 97/100
Security — 45/100
Privacy — 45/100
Reliability — 100/100
Standards — 100/100
Discoverability — 50/100

What we measured

Security headers present: HSTS.
No Content-Security-Policy.
Served over HTTPS with a valid certificate.
Lighthouse performance score 90/100 (169 ms to first byte).
Returns a proper 404 for unknown routes.
3 of 3 sampled routes reachable.
Has a reachable privacy policy.
Sets cookies / loads scripts with no consent prompt.

Who it's for

System administrators · DevOps engineers · Developers · Package maintainers

Visit Nix & NixOS → · How this was measured →