| Strict-Transport-Security | max-age=31536000; includeSubDomains | Good | Declare that a website is only accessible over a secure connection (HTTPS).
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| X-Frame-Options | SAMEORIGIN | Good | Indicate whether a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>.
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| X-Content-Type-Options | nosniff | Good | Indicate that the MIME types advertised in the Content-Type headers should be followed and not be changed.
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| Content-Security-Policy | default-src 'self'; base-uri 'self'; script-src 'nonce-J2t/YA7e4RH9ghd3XMseOA==' 'strict-dynamic' 'report-sample' https:; report-to csp-endpoint; upgrade-insecure-requests; style-src 'self' 'report-sample' *.cdn.office.net *.microsoft.com res-dev.cdn.officeppe.net 'unsafe-inline' https://www.microsoft.com/; font-src 'self' data: *.cdn.office.net res-dev.cdn.officeppe.net data c.s-microsoft.com *.microsoft.com; connect-src 'self' https://browser.pipe.aria.microsoft.com https://browser.events.data.microsoft.com *.office.com *.cdn.office.net res-dev.cdn.officeppe.net https://consentreceiverfd-prod.azurefd.net data:; frame-src https://login.microsoftonline.com https://login.live.com mem.gfx.ms amcdn.msftauth.net amcdn.msauth.net; img-src * data: blob:; worker-src 'self' blob:; child-src 'self' blob:; report-uri https://csp.microsoft.com/report/Harmony-App-PROD; form-action https://login.microsoftonline.com; frame-ancestors 'self'; | Good | Control resources the user agent is allowed to load for a given page.
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| Referrer-Policy | strict-origin-when-cross-origin | Good | Control how much referrer information should be included with requests.
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| Clear-Site-Data | — | Good | Control the data stored by a client browser for their origins.
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| X-Permitted-Cross-Domain-Policies | — | Good | Control whether a web client such as Adobe Flash Player or Adobe Acrobat has permission to handle data across domains.
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| Permissions-Policy | — | New | Allow and deny the use of browser features in a document or iframe.
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| Cross-Origin-Embedder-Policy | — | New | Configure embedding cross-origin resources into the document.
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| Cross-Origin-Opener-Policy | — | New | Ensure a top-level document does not share a browsing context group with cross-origin documents.
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| Cross-Origin-Resource-Policy | — | New | Request that the browser blocks no-cors cross-origin/cross-site requests to the given resource.
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| X-XSS-Protection | 1; mode=block | Deprecated | Deprecated. Stops pages from loading when they detect reflected cross-site scripting (XSS) attacks.
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| Feature-Policy | — | Deprecated | Deprecated. Replaced by the Permissions-Policy header.
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| Expect-CT | — | Deprecated | Deprecated. Opt in to reporting and/or enforcement of Certificate Transparency requirements.
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| Public-Key-Pins | — | Deprecated | Deprecated. Allows HTTPS websites to resist impersonation by attackers using mis-issued or otherwise fraudulent certificates.
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