webhooks
Safeguard articles tagged "webhooks" — guides, analysis, and best practices for software supply chain and application security.
4 articles
Five Ways a Webhook Receiver Goes Wrong
It is a public, unauthenticated endpoint that performs privileged actions on a JSON body from the internet. Everyone knows this, and most implementations still get one of five things wrong in ways that pass every test.
Piping security findings into your observability stack
OCSF just cleared ITU review for ratification by June 2026 — here's how to route vulnerability and scan data into Datadog or New Relic without drowning your on-call rotation.
Webhook security best practices: HMAC signing, replay protection, and IP allowlisting
Stripe gives webhook signatures a 5-minute tolerance window; GitHub signs with HMAC-SHA256. Here's how to build inbound and outbound webhooks that survive both.
Verifying webhook signatures correctly
Stripe gives you a 5-minute replay window and GitHub a raw-body HMAC — but most outages trace back to one bug: verifying JSON after it's been re-serialized.
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