Network Security Zones (NET-001-R004) - NET-001

Requirement Details & Guidance

NET-001-R004 · NET-001

Why This Requirement Exists

Supports network architecture, trust boundaries, security zones, design governance by ensuring that network security zones is governed and implemented consistently, reducing unauthorized access, network attack exposure, service disruption, and security control gaps.

Implementation Guidance

Document the required control objective and scope; assign an accountable owner; define approved standards and configurations; implement the control across applicable network environments; integrate it with monitoring and change management; retain evidence; and review effectiveness periodically. For network security zones, define and enforce the required security boundaries and segmentation.

Practical Application & Audit Readiness

NET-001-R004 · Field Guidance

Business Examples

Common Audit Findings

Common Mistakes

Best Practices & Ownership

NET-001 · Recommended Approach

Recommended Practices

Typical Owner

Cross-Mapped Regulatory Frameworks

Harmonized Control Mappings

FRAMEWORK CODE	FRAMEWORK NAME & DETAILS	FAMILY / CATEGORY	VERSION	ACTION
CIS-V8	CIS Controls CIS Controls are a prioritized set of cybersecurit... Clause: Control 12 – Network Infrastructure Management: 12.2 – Establish and Maintain a Secure Network Architecture	CIS Best Practice	vv8	View →
COBIT2019	COBIT COBIT is an enterprise governance and management f... Clause: 4.4 – Deliver, Service and Support (DSS) > DSS05 – Managed Security Services > DSS05.02 – Manage network and connectivity security. 4.4 – Deliver, Service and Support (DSS) > DSS05 – Managed Security Services > DSS05.03 – Manage endpoint security.	COBIT Governance Framework	v2019	View →
DORA	Digital Operational Resilience Act The EU Digital Operational Resilience Act establis... Clause: Article 9(4)(b) – Network and infrastructure management structure and techniques Article 9(2) – ICT security policies, procedures, protocols and tools for resilience and data security	EU Regulation	vCurrent	View →
GDPR	General Data Protection Regulation (GDPR) The General Data Protection Regulation is a bindin... Clause: Article 32(1)(b) – Confidentiality, integrity, availability and access resilience	EU Regulation	vCurrent	View →
HIPAA	Health Insurance Portability and Accountability Act HIPAA is a U.S. federal law supported by implement... Clause: § 164.312(g) Standard: Transmission security	US Law	vCurrent	View →
IRDAI	IRDAI Information & Cyber Security Guidelines IRDAI information and cyber-security requirements... Clause: §2.11-3.1 – Network Connectivity; §2.11-3.3 – Network Management	India Guideline	vLatest	View →
ISO27002	ISO/IEC 27002 ISO/IEC 27002 is a guidance standard containing a... Clause: 8.20 – Networks security	ISO Standard	v2022	View →
NIS2	NIS2 Directive The NIS2 Directive establishes EU-wide cybersecuri... Clause: Article 21(2)(a) – Policies on risk analysis and information system security	EU Directive	vCurrent	View →
NIST-CSF	NIST Cybersecurity Framework (CSF) The NIST Cybersecurity Framework provides high-lev... Clause: PR.IR – Technology Infrastructure Resilience \| PR.IR-01 – Networks and environments are protected from unauthorized logical access and usage	NIST Framework	v2	View →
NIST80053	NIST SP 800-53 NIST SP 800-53 Rev. 5 presents control families, i... Clause: 3.18 – SYSTEM AND COMMUNICATIONS PROTECTION; SC-7 – BOUNDARY PROTECTION, SC-32 – SYSTEM PARTITIONING	NIST Control Catalog	vRev. 5	View →
NPCI-ISR	NPCI Information Security Requirements NPCI information-security requirements define cont... Clause: Security Measures / Controls; Network Security	India Standard	vLatest	View →
PCI-DSS	PCI DSS PCI DSS is an industry security standard maintaine... Clause: 1.2.1 – Configuration standards for NSC rulesets are:; 1.2.2 – All changes to network connections and to; 1.2.3 – An accurate network diagram(s) is maintained; 1.2.4 – An accurate data-flow diagram(s) is	PCI Standard	v4	View →
RBI-CSF	RBI Cyber Security Framework / Master Directions RBI cyber-security requirements and directions set... Clause: 4) Network Management and Security – 4.1 Up-to-date organisation-level network architecture diagram; 4) Network Management and Security – 4.10 Layered boundary defences, firewalls/proxies/DMZ/IPS/IDS and traffic filtering	India Regulation	vLatest	View →
SEBI-CSCRF	SEBI Cyber Security & Cyber Resilience Framework SEBI’s Cybersecurity and Cyber Resilience Framewor... Clause: 3.4 PR.IP: Information Protection Processes and Procedures; 3.1 PR.AA: Identity Management, Authentication, and Access Control	India Regulation	vLatest	View →
SOC2	SOC 2 Trust Services Criteria SOC 2 is an independent examination and reporting... Clause: CC6.1 – Logical and Physical Access Controls – The entity implements logical access security software, infrastructure, and architectures over protected information assets to protect them from security events to meet the entity's objectives. CC6.6 – Logical and Physical Access Controls – The entity implements logical access security measures to protect against threats from sources outside its system boundaries.	AICPA Audit Framework	vLatest	View →

Parent Domain Context

Governance Domain Baseline

Domain Name:

Network Security (NET)

Purpose:

To secure the organization's network infrastructure and prevent unauthorized access.

Scope:

Enterprise

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Parent Control Context

Control Baseline

Control Name:

Secure Network Architecture (NET-001)

Summary:

Establishes secure network architecture with defense-in-depth, Zero Trust principles, security zones, trust boundaries, architecture standards, and risk assessment for resilient network design.

Business Description:

Establish and maintain a secure network architecture incorporating defense-in-depth, Zero Trust principles, secure network design, and resilient communication pathways.

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