Second Year.

How packets travel and how attackers stop them. TCP/IP, crypto basics, common attacks and defences.

SQL, normalisation, plus the web stack — HTML, CSS, JS, and how it talks to a database.

Deeper machine learning — probabilistic models, deep learning, reinforcement learning.

Haskell. Recursion, types, monads. A different way to think about programs.

C, processes, threads, scheduling, memory management. Pointers will haunt your dreams.