I have a .NET Core 5.0 Web API which listens for Signed WebHook events sent from SendGrid however I am unable to authenticate the signature against my WebHook Validation key. I've read numerous posts ...
BlueVoyant has warned that its Threat Fusion Cell (TFC) has identified a phishing campaign exploiting Twilio SendGrid. The campaign uses subject lines such as “Your Webhook is Failing”. The TFC says ...