Udemy – Master TLS/SSL Fundamentals – Mobile & Web Developer 2025
English | Tutorial | Size: 1.06 GB
Learn SSL Pinning, Certificate Handling, and MITM Attack Prevention with a Practical, Step-by-Step Approach
Master TLS/SSL Fundamentals – Mobile & Web Developer 2025
If you’re serious about securing your applications and want to understand SSL pinning, TLS communication, and how to prevent man-in-the-middle (MITM) attacks, this course will give you the solid foundation you need. We’ll break down complex topics into simple, practical steps so you can not only implement security correctly but also understand why each step matters.
We’ll start with the cryptographic basics every developer should know before diving into real-world app security. You’ll learn the difference between symmetric and asymmetric cryptography, how digital signatures and message digests (hashing) work, and how these are used to ensure data integrity and authenticity.
Next, we’ll go deep into SSL/TLS certificates. You’ll understand how certificate authorities (CAs) operate, what a self-signed certificate is, how the chain of trust is built, and how trust stores validate certificates in modern systems. We’ll also show you how to safely disable SSL verification in development or testing environments and the risks of doing it incorrectly.
Then, we’ll walk through the fundamentals of TLS communication, explaining what happens under the hood when your app connects to a server over HTTPS. Once you understand how TLS works, we’ll show you exactly how attackers perform MITM attacks, and how you can defend against them with proper implementation of SSL security.
The core part of this course focuses on certificate pinning. You’ll learn:
What SSL pinning is and why it’s critical
How public key pinning differs from full certificate pinning
How to implement hostname verification
How to properly apply pinning with both CA-signed and self-signed certificates
Best practices to avoid common mistakes in real-world apps
This course is especially useful for front-end developers, including those working on Android, iOS, React Native, or any client that communicates over HTTPS. It’s also highly relevant if you’re preparing for technical interviews – especially for roles that involve application security, from software developer to architect-level positions. You’ll be able to speak confidently about SSL/TLS, cryptography, certificate validation, and security best practices.
By the end of the course, you’ll have a complete, connected understanding of how to secure app communication, detect and prevent MITM attacks, and apply SSL pinning in a way that’s both effective and maintainable.
Whether you’re building web or mobile apps, or just want to grow your knowledge of network security, this course will give you the skills and confidence to do it right.
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