AWS Cognito New Lambda Trigger for Federated Sign-In
🟢 Low | Source: AWS Security Blog AWS has introduced a new Lambda trigger for Amazon Cognito that allows developers to customise the federated sign-in process when users authenticate via external identity providers such as SAML, OIDC, or social logins. This enables teams to intercept and modify authentication flows at key points, such as attribute mapping or access decisions, without altering core Cognito configuration. The feature improves flexibility for organisations with complex identity federation requirements. ...