CMMC Practices SI3219; Requirements and Documentation | ChatFortress


Posted on June 19, 2021 by Benjamin Bressington


CMMC Practices SI3219; Requirements and Documentation | ChatFortress
Back to Full CMMC & NIST800-171 Requirements List

CMMC Practice Requirement:

System and Information Integrity - SI.3.219

Implement email forgery protections.

System and Information Integrity - SI.3.219- Clarification Statement

Implement email protections in addition to basic spam protections. Some potential advanced email protections include Sender Policy Framework (SPF) ,Domain Keys Identified Mail (DKIM), and Domain-based Message Authentication, Reporting & Conformance (DMARC). SPF uses DNS to show which servers are allowed to send email for a given domain. DKIM uses asymmetric cryptography to verify the authenticity of an email message and provide assurance of the legitimacy of the email to the recipient. DMARC allows organizations to deploy a combination of DKIM and SPF to further enhance their electronic mail infrastructure by adding linkage to the author (“From:”) domain name, published policies for recipient handling of authentication failures, and reporting from receivers to senders, to improve and monitor protection of the domain from fraudulent email.

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Need more help understanding this CMMC & NIST800-171 requirement?

ChatFortress has made available a series of tools to help you implement CMMC & NIST800-171 into your company. Here are some of the resources you might want to review.

How to Implement a CMMC Audit/Assessment using CMMC Software Tool?

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