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Boundary Protection

What is Boundary Protection?

Security measures implemented at the boundaries between network zones to monitor and control communications, preventing unauthorized access between segments.

Information Security

Terms that appear alongside boundary protection

Each of these is named in at least one of the same controls as boundary protection. The number is how many controls name both.

Frameworks that govern boundary protection

ISO 27001:2022View framework →NIST SP 800-53 Rev 5View framework →

What the standards actually require on boundary protection

Requirements naming boundary protection across 6 standards, quoted from the control text.

FedRAMP High4 controls

Monitor/control communications at external boundary and key internal boundaries; implement subnetworks for publicly accessible components.

SC-7 · Boundary Protection →
FedRAMP Moderate3 controls

Monitor/control communications at external boundary and key internal boundaries; implement subnetworks for publicly accessible components.

SC-7 · Boundary Protection →
IACS Unified Requirements E26/E27 - Cyber Resilience of Ships and On-Board Systems2 controls

UR E26 Goal 2 (Protect) requires controls for remote access + wireless + physical security. Remote access: required for vendor / OEM / shore support during voyage;

IACS-UR-E26-Protect-RemoteAccess-Wireless-Physical-Boundary · IACS UR E26 Protect Goal - Remote Access + Wireless + Physical Security + Boundary Protection →
NIST SP 800-171A Rev 3 - Assessing CUI Security Requirements2 controls

Assess implementation of boundary protections to monitor and control communications at external system boundaries.

3.13.1 · Boundary Protection Assessment →
AWWA Cybersecurity Guidance for the Water Sector (American Water Works Association)1 control

Monitor IT and OT network boundaries for malicious activity using IDS/IPS or passive OT monitoring.

AWWA-G430-9 · Boundary Protection and Monitoring →
BSI IT-Grundschutz1 control

Boundary protection and segmentation. Control from BSI IT-Grundschutz framework, domain: BSI IT-Grundschutz: System & Communications Protection.

BSI-07 · Boundary protection and segmentation →

Questions people ask about boundary protection

What is Boundary Protection?
Security measures implemented at the boundaries between network zones to monitor and control communications, preventing unauthorized access between segments.
Why is Boundary Protection important for compliance?
Boundary Protection is a key concept in Information Security. Understanding boundary protection helps organizations meet regulatory requirements, reduce risk, and demonstrate due diligence during audits. Our compliance platform maps 686 frameworks with 311K cross-framework control mappings.
Which compliance frameworks address Boundary Protection?
Boundary Protection appears in the requirement text of FedRAMP High, FedRAMP Moderate, IACS Unified Requirements E26/E27 - Cyber Resilience of Ships and On-Board Systems, NIST SP 800-171A Rev 3 - Assessing CUI Security Requirements, AWWA Cybersecurity Guidance for the Water Sector (American Water Works Association). Across these standards we have identified 13 controls that name it directly, each linked to the control text on the compliance platform.
Where can I learn more about Boundary Protection?
Explore our compliance framework pages to see how boundary protection applies across different standards and regulations. Our implementation guides provide step-by-step guidance, and the compliance platform offers AI-powered analysis of how this concept maps across 686 frameworks.

See how Boundary Protection applies across compliance frameworks

Our platform maps 686 frameworks with 311K cross-framework control mappings. Explore how this concept is addressed across standards.

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Written and maintained by Gerard Blokdyk, The Art of Service.