~/tools / security-headers
Security Headers Checker
Scan HTTP security headers. Grades HSTS, CSP, X-Frame-Options and others, with explanations of what each header protects.
[ WARNING ]
Decent but improvable (57/100) — missing: Referrer-Policy, Permissions-Policy · weak: content-security-policy
── output ─────
57
security_score
HTTP 200 · https://www.wellsfargo.com/
Strict-Transport-Security (HSTS)
[ STRONG ]
// Forces HTTPS for all connections. Prevents downgrade attacks.
max-age=31536000 ; includeSubDomains
Content-Security-Policy (CSP)
[ WEAK ]
// Defines which sources of scripts/styles/images are allowed. Prevents XSS.
default-src 'nonce-56ed6fb14524dec256d78761e9318ad6' 'none'; form-action 'self' *.wellsfargo.com ; *.wellsfargo.com:*; connect-src 'self' https://*.wellsfargo.com https://*.wellsfargo.com:* https://*.schemaapp.com https://*.rlcdn.com https://*.medallia.com https://*.kampyle.com https://*.adobedc.net https://www.google-analytics.com https://*.doubleclick.net https://*.eum-appdynamics.com https://*.demdex.net https://www.sjwoe.com https://www.mczbf.com https://s.yimg.com https://*.nuance.com https://*.wf.com https://*.google.com https://*.onetrust.com; img-src 'self' data: https://*.wellsfargomedia.com https://*.wellsfargo.com https://*.wellsfargo.com:* https://*.wfinterface.com https://*.wfinterface.com:* https://*.analytics.yahoo.com https://*.everesttech.net https://*.linkedin.com https://*.g.doubleclick.net https://*.google.com https://*.demdex.net https://*.nuance.com https://*.eum-appdynamics.com https://*.virtualearth.net https://www.facebook.com https://cx.atdmt.com https://track.linksynergy.com https://s.amazon-adsystem.com https://ct.pinterest.com https://trc.taboola.com https://p.adsymptotic.com https://products.gobankingrates.com https://bttrack.com https://b.videoamp.com https://fcmatch.youtube.com https://www.googleadservices.com https://2549153.fls.doubleclick.net https://ad.doubleclick.net https://www.google-analytics.com https://idsync.rlcdn.com https://s.amazon-adsystem.com https://resources.digital-cloud-prem.medallia.com https://udc-neb.kampyle.com https://wellsfargoprod.prod.fire.glass https://*.mworld.com https://*.postrelease.com; object-src 'self' https://*.wellsfargo.com https://*.wellsfargo.com:* https://*.wfinterface.com https://*.wfinterface.com:*; child-src 'self' *.wellsfargo.com *.wellsfargo.com:* *.wfinterface.com *.wfinterface.com:* https://*.demdex.net https://*.nuance.com https://*.advanced-web-analytics.com https://iframe.arkoselabs.com https://*.doubleclick.net https://*.wf.com; font-src 'self' data: https://*.wellsfargomedia.com https://*.wellsfargo.com https://*.wellsfargo.com:*; style-src 'self' 'unsafe-inline' *.wellsfargo.com *.wellsfargo.com:* https://*.wfinterface.com https://*.wfinterface.com:* https://*.nuance.com; script-src 'nonce-56ed6fb14524dec256d78761e9318ad6' 'nonce-35e3170d-dd4a-49a5-9fcd-efe51d30f7dc' 'self' *.wellsfargo.com *.wellsfargo.com:* *.wfinterface.com *.wfinterface.com:* https://cdn.schemaapp.com https://*.nuance.com;media-src 'self' *.wellsfargo.com *.wellsfargomedia.com; frame-ancestors 'self' *.wellsfargo.com; base-uri 'none'; report-uri https://ort.wellsfargo.com/securereporting/reporting/v1/csp;worker-src blob:
X-Frame-Options
[ STRONG ]
// Prevents clickjacking by blocking iframe embedding from other origins.
SAMEORIGIN
X-Content-Type-Options
[ STRONG ]
// Prevents MIME sniffing. Should be 'nosniff'.
nosniff
Referrer-Policy
[ MISSING ]
// Controls how much referrer info is leaked when navigating away.
// missing — add this header to improve security
Permissions-Policy
[ MISSING ]
// Restricts which browser features (camera, mic, etc.) the page can use.
// missing — add this header to improve security