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How do I prevent sensitive data from leaking via referrers?

Asked on Oct 09, 2025

Answer

To prevent sensitive data from leaking via referrers, you can use the "Referrer-Policy" HTTP header to control the amount of referrer information shared.

<!-- BEGIN COPY / PASTE -->
    Referrer-Policy: no-referrer
    <!-- END COPY / PASTE -->

Additional Comment:

The "no-referrer" policy ensures that no referrer information is sent with requests, providing maximum privacy.
Other policies like "same-origin" or "strict-origin" can be used for more granular control, balancing privacy with functionality.
Implementing this header helps protect against leaking sensitive URL parameters or paths to third-party sites.

✅ Answered with Security best practices.

Ask any question about Website Security here... and get an instant response.

How do I prevent sensitive data from leaking via referrers?

Asked on Oct 09, 2025

Answer

Additional Comment:

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