The CBT Nuggets CompTIA Security+ SY0-401 course, led by Keith Barker, provided 14 hours of training across 36 videos covering network security, threat management, and cryptography. As this certification was retired in July 2018, the course is considered legacy content, with current learners advised to pursue the updated SY0-701 material. For modern Security+ training, explore options at CBT Nuggets CBT Nuggets New Course: CompTIA Security+ SY0-401 - CBT Nuggets
The exam had six main domains. Even though the exam is retired, these topics form the bedrock of Security+ (current exam is SY0-701): CBT Nuggets - CompTIA Security SY0-401