Networks security
Networks and network devices should be secured, managed and controlled to protect information in systems and applications.
Purpose
To ensure the protection of information in networks and supporting information processing facilities.
Implementation Guidance
Implement network segmentation
Use firewalls to control network traffic
Configure network devices securely
Monitor network traffic for anomalies
Document network architecture and security controls
Recommended Tools
Cloudflare
Global CDN with WAF and DDoS protection. Essential security layer for web applications.
AWS WAF
Web application firewall from AWS. Integrates seamlessly with CloudFront and ALB.
Tailscale
Zero-config VPN built on WireGuard. Modern and secure remote access without complexity.
ZeroTier
Software-defined networking for secure remote access. Good open-source alternative to Tailscale.
ISO 27001 Services from the Directory
These providers can help you implement A.8.20 and achieve ISO 27001 certification.
360 Advanced
US CPA and compliance assessment firm for SOC 1/2, ISO 27001, HITRUST, HIPAA, and PCI with hands-on mid-market delivery.
6clicks
Cyber GRC platform with a strong US presence for risk, compliance, and third-party assessments.
A-LIGN
High-volume multi-framework audit firm for SOC 2, ISO 27001, HITRUST, FedRAMP, CMMC, and PCI, with dual ANAB/UKAS ISO pathways.
AdaptiveGRC
Polish GRC software platform for integrated risk, compliance, audit, and information security management including ISO 27001 programs.
Advisera
Provider of ISO 27001 documentation, training, and consultancy services to help businesses achieve compliance.
AENOR
Leading Spanish certification body for ISO 27001, ENS (Spanish National Security Scheme), and multi-standard management systems.
Related Controls
Other controls in Technological Controls
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