Security headers summary for nist.gov
This page validates the HTTP security headers returned by nist.gov, scoring its protection against common web attacks.
Below you can review which headers nist.gov sends, which are missing, and recommendations to harden the configuration.
What are HTTP security headers?
HTTP security headers are response headers that instruct the browser to apply protective policies, mitigating attacks such as XSS, clickjacking and content sniffing.
Key headers include Content-Security-Policy (CSP), Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options and Referrer-Policy.
How to interpret the headers of nist.gov
A higher score means nist.gov sends more of the recommended security headers with secure values. Missing headers are highlighted so you know what to add.
Focus first on CSP and HSTS for nist.gov, as they provide the strongest protection against scripting and downgrade attacks.
Use cases
- Audit the security headers of nist.gov before or after a deploy.
- Identify missing headers that increase attack risk on nist.gov.
- Verify that nist.gov enforces HTTPS with HSTS.
- Support hardening reports and security reviews for nist.gov.
Frequently asked questions
Which security headers does nist.gov use?
This page lists the HTTP security headers present on nist.gov, such as CSP, HSTS, X-Frame-Options and X-Content-Type-Options, along with their values.
Does nist.gov have a Content-Security-Policy?
The results show whether nist.gov sends a Content-Security-Policy header and whether its value is considered secure.
Does nist.gov enforce HTTPS with HSTS?
The Strict-Transport-Security section indicates whether nist.gov forces HTTPS and for how long, including includeSubDomains and preload flags.
Why does nist.gov have a low security score?
A low score means nist.gov is missing important headers or sends insecure values. The missing-headers and recommendations sections explain how to improve it.
Is the security headers check for nist.gov free?
Yes. The XploreNetHub Security Headers Validator is completely free, requires no sign-up and runs directly in your browser.
Related guides
- Security Headers Checklist — HSTS, CSP and HTTP headers before go-live.
- DNS and SSL Checklist — Steps and verification table before pointing a domain.