Web filtering
Access to external websites should be managed to reduce exposure to malicious content.
Purpose
To manage access to external websites and reduce security risks.
Implementation Guidance
Implement web filtering solution
Block access to malicious and inappropriate sites
Define web filtering policies
Monitor web usage for policy violations
Update filtering rules regularly
Recommended Tools
ISO 27001 Services from the Directory
These providers can help you implement A.8.23 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.
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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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