Layer MongoDB Atlas Resource Policies for Defense-In-Depth
MongoDB, Tuesday, November 3rd, 2026
MongoDB explains how to layer Atlas Resource Policies across network, geographic and protocol controls for database defense-in-depth.
This second post in a MongoDB series on Atlas Resource Policies describes defense-in-depth as deploying multiple independent security layers so one failure does not expose the database.
Resource Policies work at the infrastructure layer, preventing misconfigurations before deployment rather than detecting them after resources go live.
The post covers three layers: network controls over which IP addresses can connect, geographic controls keeping data in compliant regions, and protocol controls protecting data in transit.
One example is a policy blocking the 0.0.0.0/0 wildcard IP so no cluster is exposed publicly.