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Svix automatically takes care of these security aspects for you, and offers easy to use library for verifying webhook integrity. A server-side request forgery (SSRF) attack is when an attacker abuses functionality on the server to read or update internal resources. The main way to protect against SSRF is to prevent the webhooks from calling into internal networks and services. The recommended (and wholly sufficient) way to prevent or reduce the likelihood of spoofing attacks is by signing web hooks.