Secure Web Applications with HTTPS and Cryptography in Python

Web security is no longer optional for modern developers. Understanding how data is encrypted and transmitted securely over the internet is essential to protecting user privacy and application integrity. This text-based course guides you through the core principles of web security, starting with foundational terminology and moving into hands-on Python implementations. You will transition from a beginner to a developer who confidently configures secure servers and encrypts sensitive data. What you will learn: 1. Understand the core mechanics of HTTPS, SSL/TLS, and modern secure web communication. 2. Implement symmetric encryption in Python using Fernet ciphers to protect sensitive data. 3. Explore asymmetric cryptography, public-private key pairs, and secure key exchanges. 4. Configure a secure Flask web server and apply industry-standard security headers. 5. Apply modern security best practices, including safe environment variable storage. The course begins with essential definitions of cryptography and secure protocols before guiding you through step-by-step written tutorials to build and secure a web application. You will read clear explanations, analyze code snippets, and complete practical exercises designed to reinforce your understanding. This course is designed for beginner Python developers and web enthusiasts who want to understand web security from the ground up. No prior experience with cryptography or server administration is required. Start reading today to build safer, more resilient Python applications.