SC-7 (5) - Deny by Default / Allow by Exception [FSv1.1]

This control is based on IBM Cloud Framework for Financial Services v1.1.

Control requirements

SC-7 (5) - 0
The information system at managed interfaces denies network communications traffic by default and allows network communications traffic by exception (i.e., deny all, permit by exception).

Implementation guidance

See the resources that follow to learn more about how to implement this control.

NIST supplemental guidance

This control enhancement applies to both inbound and outbound network communications traffic. A deny-all, permit-by-exception network communications traffic policy ensures that only those connections which are essential and approved are allowed.