Sierra
Sierra is an enterprise conversational AI platform for building branded agents that handle customer conversations across chat, voice and messaging.
Outcome based and negotiated per contract, with no published rate card or tiers.
Proprietary
Appears in 1 guide
Where it ranks
Guides that include Sierra.
Security headers
What Sierra's website sends to your browser.
Scanned 2026-08-25. Grade headers B, scoring 80 out of 100.
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Content-Security-Policy is set
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Strict-Transport-Security is set
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X-Content-Type-Options: nosniff is set
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CSP frame-ancestors directive is set
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Referrer-Policy is set
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No Permissions-Policy, so powerful browser features are not restricted
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No Cross-Origin-Opener-Policy
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No Cross-Origin-Resource-Policy
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No server-version or X-Powered-By disclosure
This is one narrow, automated check of the HTTP response headers on the vendor's own website. It says nothing about how the product itself is built, how it stores your data, or whether it has ever been audited. A good grade here is a small signal that somebody was paying attention.