SI-8(3)—Spam Protection
Operational
>Control Description
SPAM PROTECTION | CONTINUOUS LEARNING CAPABILITY The information system implements spam protection mechanisms with a learning capability to more effectively identify legitimate communications traffic.
>Supplemental Guidance
Learning mechanisms include, for example, Bayesian filters that respond to user inputs identifying specific traffic as spam or legitimate by updating algorithm parameters and thereby more accurately separating types of traffic.
>Tailoring Guidance
This security control/enhancement specifies a very specialized and/or advanced capability that is not required for all environments Consequently, inclusion in a departmental profile is made on a case by case basis.
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