SI-8(3)—Continuous Learning Capability
>Control Description
Implement spam protection mechanisms with a learning capability to more effectively identify legitimate communications traffic.
>Supplemental Guidance
Learning mechanisms include Bayesian filters that respond to user inputs that identify specific traffic as spam or legitimate by updating algorithm parameters and thereby more accurately separating types of traffic.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What policies and procedures govern continuous learning capability?
- •Who is responsible for monitoring system and information integrity?
- •How frequently are integrity monitoring processes reviewed and updated?
Technical Implementation:
- •What technical controls detect and respond to continuous learning capability issues?
- •How are integrity violations identified and reported?
- •What automated tools support system and information integrity monitoring?
- •What anti-spam and phishing protections are in place?
Evidence & Documentation:
- •Can you provide recent integrity monitoring reports or alerts?
- •What logs demonstrate that SI-8(3) is actively implemented?
- •Where is evidence of integrity monitoring maintained and for how long?
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