You should have a look at: https://www.owasp.org/index.php/Threat_Risk_Modeling https://www.owasp.org/index.php/Threat_Risk_Modeling To understand the standar

You should have a look at: https://www.owasp.org/index.php/Threat_Risk_Modeling https://www.owasp.org/index.php/Threat_Risk_Modeling To understand the standard approaches to threat modelling. It should be trivial for someone to look at the documentation and quickly answer basic security questions like "Does it defend against replay attacks ?" and "Does it leak message size ?"