SentinelOne
by SentinelOne
Covered
10
controls
Partial
3
controls
Gaps
4
controls
Overview
SentinelOne by SentinelOne is an endpoint security solution that covers 10 NIST 800-171 controls (9% total coverage). It addresses key requirements in the endpoint security domain for defense contractors pursuing CMMC compliance.
Controls Covered (10)
Implementation Notes
Deploy SentinelOne with FIPS-validated configurations. Integrate with your SIEM for centralized audit logging. Review partial controls quarterly to identify supplementary tooling needs.
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Implementation Guidance for SentinelOne
Configure SentinelOne for NIST 800-171 compliance by implementing comprehensive endpoint protection policies. For AC (Access Control) requirements, enable Device Control policies to restrict USB/removable media access and configure Application Control to maintain approved software inventories with automated blocking of unauthorized executables. Set behavioral AI detection to monitor for privilege escalation attempts and lateral movement patterns. For AU (Audit and Accountability), enable comprehensive logging including process execution, network connections, file modifications, and registry changes. Configure log retention for minimum 90 days with tamper protection enabled. Set up automated alerts for critical security events and configure SIEM integration via API or syslog forwarding. For SI (System and Information Integrity), enable real-time malware protection with cloud intelligence, configure automatic threat hunting, and implement memory protection against fileless attacks. Enable vulnerability assessment scanning and patch management integration. For IR (Incident Response), configure automated quarantine policies, enable remote shell capabilities for incident investigation, and set up threat intelligence feeds. Generate assessment evidence through the SentinelOne Management Console by exporting policy configurations, compliance dashboards, and incident reports. Integrate with SIEM solutions like Splunk or QRadar for centralized log analysis, and connect to vulnerability scanners like Tenable or Rapid7. Common misconfigurations include insufficient logging granularity, disabled behavioral detection features, overly permissive Device Control policies, and inadequate integration with network security tools, all of which lead to C3PAO findings during assessments.
Gap Analysis & Compensating Controls
SentinelOne's 9% coverage leaves significant gaps across multiple NIST 800-171 control families. The largest gaps exist in AC (Access Control) beyond endpoint-level controls, particularly AC-2 (Account Management) and AC-17 (Remote Access), requiring dedicated identity management solutions like CyberArk or Okta. IA (Identification and Authentication) gaps necessitate multi-factor authentication tools such as Duo or RSA SecurID for network and system access. SC (System and Communications Protection) requires network segmentation tools like Cisco ISE or Fortinet FortiGate to address boundary protection and traffic filtering requirements that endpoint security cannot satisfy. CM (Configuration Management) gaps demand dedicated tools like Rapid7 InsightVM or Tenable.io for comprehensive vulnerability management and configuration baseline monitoring. Document these gaps in your System Security Plan (SSP) by clearly delineating SentinelOne's endpoint protection scope versus network and infrastructure controls. In your Plan of Action and Milestones (POA&M), prioritize closing IA gaps first due to high CMMC assessment weight, followed by AC gaps for account management, then SC gaps for network protection. CM gaps can be addressed last as they often have longer implementation timelines. Implement compensating controls through network-based monitoring and manual procedures until additional tools are deployed. Regular gap assessments should be conducted quarterly to ensure coverage remains comprehensive as the threat landscape evolves.
Compliance Cost Estimate
SentinelOne licensing ranges from $40-80 per endpoint annually depending on feature tier and contract volume, with enterprise customers typically paying $50-65 per endpoint. Implementation costs include professional services at $15,000-25,000 for initial deployment and configuration in environments with 500-1,500 endpoints. Ongoing monitoring requires 0.5-1 FTE security analyst dedicated to alert triage, policy management, and incident response coordination, averaging $75,000-120,000 annually in fully-loaded personnel costs. Compared to competitors like CrowdStrike ($45-75/endpoint) and Microsoft Defender ATP ($35-55/endpoint), SentinelOne provides competitive pricing with strong behavioral detection capabilities. Total three-year cost of ownership typically ranges $180,000-320,000 for mid-sized defense contractors (500-1,000 endpoints), including licensing, implementation, and operational overhead. This investment provides strong ROI through reduced incident response costs and improved CMMC assessment readiness.
Compliance Cross-References
SentinelOne directly supports DFARS 252.204-7012 requirements for safeguarding covered defense information through endpoint monitoring, malware protection, and incident response capabilities. For CMMC Level 2 domains, it provides substantial coverage in Asset Management (AM.2.057) through device inventory and control, Incident Response (IR.2.093) via automated detection and quarantine, and System and Information Integrity (SI.2.214) through malware protection. SentinelOne satisfies CMMC assessment objectives including endpoint malware protection, behavioral analysis for advanced threats, and forensic data collection for incident investigation. However, additional tools are required for Identity Management (IA domain), Network Security (SC.2.179), and Access Control (AC.2.007) beyond endpoint-level controls. For FedRAMP alignment, SentinelOne maps to SI-3 (Malicious Code Protection), SI-4 (Information System Monitoring), and IR-4 (Incident Handling) controls. Defense contractors should document SentinelOne's role in their continuous monitoring strategy and integrate its alerting with their Security Operations Center (SOC) procedures to demonstrate comprehensive threat detection and response capabilities required for CMMC Level 2 certification.
Frequently Asked Questions
How many NIST 800-171 controls does SentinelOne cover?
SentinelOne covers 10 of 110 NIST 800-171 controls (9%), with 3 partially covered and 4 gaps.
Can SentinelOne alone satisfy CMMC Level 2?
No single tool covers all 110 NIST 800-171 controls. SentinelOne covers 9% and should be part of a layered security stack addressing the remaining controls.
What controls does SentinelOne not cover?
SentinelOne does not cover controls mp-3-8-1, ia-3-5-1, pe-3-10-1, ac-3-1-12. These require supplementary solutions such as physical security controls, additional access management, or media protection tools.
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