CMMC Practices SI4221; Requirements and Documentation | ChatFortress


Posted on June 19, 2021 by Benjamin Bressington


CMMC Practices SI4221; Requirements and Documentation | ChatFortress
Back to Full CMMC & NIST800-171 Requirements List

CMMC Practice Requirement:

System and Information Integrity - SI.4.221

Use threat indicator information relevant to the information and systems being protected and effective mitigations obtained from external organizations to inform intrusion detection and threat hunting.

System and Information Integrity - SI.4.221- Clarification Statement

When conducting cyberattacks the attackers tend to operate using certain patterns of behavior or exploit capabilities. This collection of patterns and capabilities are known as Tactics, Techniques, and Procedures (TTP). An organization can build their knowledge of attacker TTPs by participating in Information Sharing and Analysis Centers (ISAC) for their industry. An ISAC collects cyber threat information relevant to the industry and its members in order to improve the cyber posture of that industry. Based on the lines of business an organization may consider more than one ISAC. An organization may also acquire TTPs through commercial providers in order to integrate into various technologies.

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

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