
Computer and Network Security
Begin with information security principles, threats, and countermeasures, and the ethics of cybersecurity. Explore cryptography, including classical and modern techniques, cryptanalysis, and key management. Focus on computer security topics such as operating system security, malware, and web security. Finally, cover network security, including network threats, firewalls, intrusion detection, and wireless security.
Everything filed here
Books
Websites

Computer Security

Crypto Challenges
Drive
OfficialCNS
Opening this needs your ENSIA email, the one ending @ensia.edu.dz

Network Security
Tools

ENSIApedia Encryption-Decryption Tool