What is Atlassian's security headers grade?

We scan atlassian.com live for HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy, then assign an A+ to F grade with fix recommendations.

How can I check my own site's security headers?

Use the free Webalert Security Headers Checker to scan any URL and get the same A+ to F grade with per-header recommendations.

Atlassian Security Headers Report

Live security headers grade for Atlassian (atlassian.com). We check HSTS, CSP, X-Frame-Options, and more.

Scanning Atlassian...

Scan another website → Is Atlassian down?

Why Atlassian security headers matter

Security headers tell browsers how to protect visitors on atlassian.com against clickjacking, MIME sniffing, XSS, and protocol downgrade. A strong grade (A/A+) means the service ships a modern security posture; a weak grade means important protections are missing.

Want the same scan for your own site? Use our free security headers checker, or check whether Atlassian is currently up on the outage tracker.

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Frequently asked questions

What is Atlassian's security headers grade?: We scan atlassian.com live for HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy, then assign an A+ to F grade with fix recommendations.
How can I check my own site's security headers?: Use the free Webalert Security Headers Checker to scan any URL and get the same A+ to F grade with per-header recommendations.