NET-20.2 ยท Sender Denylisting

Control Description

Mechanisms exist to implement sender denylisting protections that prevent the reception of email from denylisted senders, domains and/or email servers.

Control Question
Assessment question for control validation

Does the organization implement sender denylisting protections that prevent the reception of email from denylisted senders, domains and/or email servers?

Control Weighting
7
Validation Cadence
Annual
NIST CSF Function
Protect
Supply Chain Risk Management (SCRM) Tiers
Applicable SCRM tier levels for this control
Tier 3 - Tactical
Core Control Designations
Special designations and baseline inclusions
ESP Level 2: NET-20.2
ESP Level 3: NET-20.2