In an environment where information security threats are becoming increasingly severe, "Secure by Default" has emerged as a critical security design principle. The Zero Trust Architecture (ZTA) emphasizes verifying every access request and implementing dynamic privilege management. However, many organizations face challenges in implementing Zero Trust, such as protecting servers from unauthorized access without increasing operational complexity.

The core objective of this session is to leverage Serverless technologies to introduce a Zero-Trust Port Knocking mechanism. This approach enables secure and efficient access control while keeping all ports closed, reducing the attack surface and enhancing overall system security.

The session will cover the following key topics: 

1. An introduction to Secure by Default, Serverless, Zero Trust, and Port Knocking. 

2. Demonstrating the implementation of a Zero-Trust Port Knocking mechanism using Serverless technologies.