HOPZERO Sphere of Trust vs Portnox Cloud: Side-by-Side Comparison (2026)

HOPZERO Sphere of Trust: Network containment tool using TTL/hop limits to restrict data travel distance. built by HOPZERO. Core capabilities include TTL-based packet lifetime containment — restricts how far packets travel by setting and enforcing TTL values, Network geo-fencing — prevents data from leaving defined network regions or cloud zones, Application tethering — confines applications to only their approved network resources..

Portnox Cloud: Cloud-native unified access control platform with NAC, ZTNA, and RADIUS. built by Portnox. Core capabilities include Network Access Control (NAC), Zero Trust Network Access (ZTNA), Cloud RADIUS authentication..

Both serve the Network Access Control market but differ in approach, feature depth, and target audience.

HOPZERO Sphere of Trust differentiates with TTL-based packet lifetime containment — restricts how far packets travel by setting and enforcing TTL values, Network geo-fencing — prevents data from leaving defined network regions or cloud zones, Application tethering — confines applications to only their approved network resources. Portnox Cloud differentiates with Network Access Control (NAC), Zero Trust Network Access (ZTNA), Cloud RADIUS authentication.

HOPZERO Sphere of Trust is developed by HOPZERO. Portnox Cloud is developed by Portnox. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

HOPZERO Sphere of Trust and Portnox Cloud serve similar Network Access Control use cases: both are Network Access Control tools, both cover Cloud Native. Review the feature comparison above to determine which fits your requirements.