When Cisco Umbrella goes down, your DNS resolution and SWG inspection break with it. Here is why cloud-proxy outages happen, how often, and what an architecture that does not depend on a remote PoP looks like.

Cisco Umbrella vs Zscaler is a DNS-first vs cloud-proxy-first comparison. Both backhaul. Here is the side-by-side on architecture, pricing, AI governance, and where on-device SSE fits.

Cisco Umbrella's DNS layer blocks domains but cannot inspect encrypted traffic. To get full HTTPS inspection you need the SIG tier, which backhauls through Cisco data centers. Here is the side-by-side and the on-device alternative.

Cisco Umbrella DLP is included only in SIG Advantage, runs in the cloud proxy, and is limited compared to AI-powered endpoint DLP. Here is what it does, what it misses, and what 2026 buyers should consider instead.

Cisco Umbrella SIG (Secure Internet Gateway) Essentials is the package tier that adds a full SWG and cloud firewall on top of DNS filtering. Here is what it includes, what it costs, and the architectural gap that matters in 2026.

Cisco Umbrella is a cloud-delivered DNS security and Secure Internet Gateway. What it does, how it works, where it falls short in 2026, and how it compares to on-device SWG.