Linux Privilege Escalation is a critical skill set for cybersecurity professionals, penetration testers, and ethical hackers operating in both red team and bug bounty environments. This discipline focuses on identifying and exploiting weaknesses in Linux systems that allow attackers to gain elevated access — from a regular user to root or administrative control. Practitioners learn to understand Linux internals, kernel and service vulnerabilities, misconfigurations, weak permissions, and credential leaks to simulate real-world attack scenarios. Ethical hackers use privilege escalation techniques responsibly, under authorized conditions, to assess and strengthen system defenses, ensuring organizations can detect and remediate threats before malicious actors exploit them.