Ccnp Security Sisas 300 208 Official Cert Guide Apr 2026

Three months ago, a shadow had slipped through the perimeter of Apex Financial. Not a virus. Not a worm. A ghost. Someone had used a legitimate credential—a janitor’s badge, long since deactivated—to walk right through their Cisco Identity Services Engine (ISE) like it was a turnstile.

Just as she leaned back, her SIEM dashboard lit up. An alert. 2:17 AM. A rogue access point had just appeared in the CFO’s wing. But unlike last time, the network didn't panic. Ccnp Security Sisas 300 208 Official Cert Guide

She had done it. She had turned her network from a sieve into a scalpel. Three months ago, a shadow had slipped through