The most valuable feature is the authentication feature.
Cisco Secure Access offers valuable authentication and DNS security with Integrated Secure Web Control while providing stability and scalability rated highly by users. It effectively protects against phishing and ransomware using a zero-trust approach but is expensive compared to competitors. Global coverage relies on cloud providers' data centers. Licensing is confusing, and support complexities impact user experience. Integration and migration challenges with Umbrella need addressing for improved adoption.









