3.4 sudo Configuration and Privilege Escalation

Content

• Overview and Objectives
  • Learning Objectives
  • Real-world Context
• Understanding sudo’s Purpose and Security Model
• The sudoers File Structure and Syntax
• Using visudo for Safe Configuration
• User and Group-Based sudo Rules
• Command Restrictions and Environment Control
• sudo Logging and Security Monitoring
• Common Pitfalls and Security Best Practices
• sudo alternatives
• Recommended Reading
• Lab Exercises
  • Exercise 1: Configuring Basic sudo Rules for a Development Team
  • Exercise 2: Identifying and Fixing Insecure sudo Configurations
• Assessment
  • Multiple Choice Questions
  • Short Answer Questions

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Updated 2025-12-19