Saudi NCA ECC 2-5-3-1: 2-5-3-1 Secure segmentation with firewalls and defence in depth

Network segments are logically or physically isolated and segmented securely, as needed to control the related risks, using firewalls and defence in depth.

Maintained by Gerard BlokdykVerified against the published standard 31 May 2026Control text last updated 21 May 2026

Other controls in 2-5 Networks Security Management – Saudi NCA ECC

2-5-1 2-5-1 Network security requirements defined
2-5-2 2-5-2 Network security requirements implemented
2-5-3-2 2-5-3-2 Production isolated from test and development
2-5-3-3 2-5-3-3 Secure browsing with restrictions on risky sites
2-5-3-4 2-5-3-4 Wireless network security
2-5-3-5 2-5-3-5 Restriction and management of network services, protocols and ports
2-5-3-6 2-5-3-6 Intrusion prevention systems
2-5-3-8 2-5-3-8 Browsing channel protection against APTs

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MCP endpoint All Saudi NCA ECC controls