Security of network services
Security mechanisms, service levels and service requirements of network services should be identified, implemented and monitored.
Purpose
To ensure the security of network services and the information they carry.
Implementation Guidance
Define security requirements for network services
Implement security controls for network services
Monitor network service availability and performance
Review and update service level agreements
Test security of network services regularly
Recommended Tools
ISO 27001 Services from the Directory
These providers can help you implement A.8.21 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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