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.

Advisera

Provider of ISO 27001 documentation, training, and consultancy services to help businesses achieve compliance.

Anecdotes

Enterprise agentic GRC platform with 230+ integrations and 40+ pre-mapped frameworks for Fortune 500 compliance programs.

Arrow Cyber Advisors

Arrow Cyber Advisors enables organizations to build measurable cybersecurity maturity and resilience. We specialize in governance, risk and compliance advisory, providing clear security direction, maturity benchmarking, and execution support tailored to regulated and high-risk environments.

Atoro

Atoro offers specialized ISO 27001 certification services for SaaS companies, simplifying compliance with expert tools.

AuditBoard

Enterprise connected risk platform trusted by over 50% of the Fortune 500 for audit, risk, and compliance management.

Bitsecura

*** Helping Businesses Achieve Compliance & Certification Success *** Bitsecura is a IT governance, risk, and compliance (GRC) firm specialising in helping organisations protect their critical assets, navigate complex regulatory landscapes, and build sustainable cybersecurity frameworks. With over 20 years of industry experience, we offer strategic guidance, bespoke solutions, and operational support that align seamlessly with your business objectives. Our commitment to practical innovation and long-term partnerships ensures that working with Bitsecura not only strengthens your current security posture, but also builds a lasting foundation for future resilience.

View all ISO 27001 services