Linux: Group & User Management

Overview of Linux user and group management, including account creation, permissions, ownership, access control, and best practices for secure system administration.

Linux: Cracking Passwords

Explores Linux password cracking concepts, including hashing, shadow files, attack methods, and how ethical testing improves authentication security.

The NotPetya Cybersecurity Attack & Breach

Explains the NotPetya cybersecurity attack, how it spread, why it caused widespread damage, and the key lessons learned about resilience, segmentation, and global cyber risk.

Linux Exercise – File Permission

Explains Linux file permission concepts, including read, write, execute rights, ownership, and how proper permission management enhances system security.