Here are some useful links.

Cryptography

• Cryptography and security resources by Bill Buchanan.
• Basic Lattice Cryptography by Vadim Lyubashevsky.
• Cryptography 101 with Alfred Menezes.
• Interviews with World-leaders in Cryptography by Bill Buchanan.
• Lectures on Zero Knowledge Proofs

Computer Science

• Map of Computer Science
• Guia de Escrita e Edição de Textos