Setting up AAA (Authentication, Authorization, and Accounting) and managing Bring Your Own Device (BYOD) security.

In-depth coverage of site-to-site and remote-access VPNs using IPsec and SSL .

If your goal is to get certified in , you have a few modern paths: CCNA Security 210-260 Official Cert Guide - Cisco Community

Managing email and web security to prevent data loss. ⚖️ The Verdict: Is it still worth reading? The Pros: