https://nalar.dev/tags/message-authentication/ Recent content in Message Authentication on Nalar Hugo en-us Thu, 03 Sep 2026 00:00:00 +0700 https://nalar.dev/authenticate-webhooks-with-signed-requests/ Thu, 03 Sep 2026 00:00:00 +0700 https://nalar.dev/authenticate-webhooks-with-signed-requests/ <p>A webhook endpoint is often intentionally reachable from the internet. That makes delivery convenient, but it also means the endpoint cannot assume that every request came from the service it trusts.</p> <p>If an application processes an unsigned webhook simply because it arrived at the correct URL, anyone who discovers that URL may be able to submit lookalike events. Depending on the integration, a forged event could trigger account changes, fulfilment, notifications, billing workflows, or other automated actions.</p>