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ISO 27001 Network Security and Communications Audit Checklist

A specialized audit checklist for evaluating an organization's network security and communications practices in compliance with ISO 27001 requirements.

ISO 27001 Network Security and Communications Audit Checklist

by: audit-now
4.8

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About This Checklist

The ISO 27001 Network Security and Communications Audit Checklist is an indispensable tool for organizations aiming to fortify their information security infrastructure. This checklist focuses on evaluating an organization's network security measures, communication protocols, and data transfer practices in alignment with ISO 27001 standards. By systematically assessing network architecture, segmentation strategies, secure communication channels, and monitoring systems, organizations can enhance their ability to protect against cyber threats, prevent unauthorized access, and ensure the confidentiality and integrity of data transmissions. This comprehensive checklist aids in identifying vulnerabilities in network infrastructure, improving secure communication practices, and ensuring compliance with ISO 27001 requirements for network security and information transfer.

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Industry

Information Technology

Standard

ISO/IEC 27001 - Information Security Management

Workspaces

IT Infrastructure
Network Operations Centers
Secure Facilities

Occupations

Network Security Engineer
IT Infrastructure Manager
Information Security Analyst
Network Administrator
Cybersecurity Specialist
1
Is the network properly segmented to minimize potential risks?
2
Are secure protocols (e.g., HTTPS, FTPS) implemented across all communications?
3
What is the current security level of the wireless network (0-10)?
Min: 0
Target: 8
Max: 10
4
Is remote access secured with appropriate measures (e.g., VPN, MFA)?
5
Is there a documented incident response plan available for cybersecurity incidents?
6
When was the last security assessment or penetration test conducted?
7
Is sensitive data encrypted at rest and in transit?
8
How often is phishing awareness training provided to employees (in months)?
Min: 1
Target: 6
Max: 12
9
How often are user access rights reviewed and updated?
10
Is multi-factor authentication (MFA) implemented for all critical systems?
11
What is the number of unauthorized access attempts recorded in the last month?
Min: 0
Target: 5
Max: 100
12
When was the last update made to the access control policy?
13
Is there a data classification policy in place to categorize data based on sensitivity?
14
Is sensitive data encrypted at rest?
15
What is the average response time to data breaches (in hours)?
Min: 0
Target: 2
Max: 48
16
When was the last privacy impact assessment conducted?
17
Is the firewall configuration regularly reviewed for effectiveness?
18
Is an intrusion detection system (IDS) implemented and actively monitored?
19
What is the average network downtime experienced in the last 12 months (in hours)?
Min: 0
Target: 10
Max: 100
20
When was the last vulnerability assessment conducted on the network?

FAQs

This checklist mainly covers Sections A.13 (Communications Security) and parts of A.12 (Operations Security) of ISO 27001 Annex A, focusing on network security, information transfer, and system acquisition, development, and maintenance.

The checklist includes items to verify proper network segmentation practices, such as the use of VLANs, firewalls, and access control lists to isolate sensitive systems and data.

Yes, it includes items to assess the security of wireless networks, including encryption protocols, authentication methods, and monitoring of wireless access points.

It includes items to evaluate the implementation of secure remote access solutions, such as VPNs, multi-factor authentication for remote users, and monitoring of remote connections.

Yes, the checklist includes items to verify secure communication practices with cloud services, including encryption of data in transit and secure API implementations.

Benefits of ISO 27001 Network Security and Communications Audit Checklist

Enhances overall network security posture

Ensures compliance with ISO 27001 network and communication security requirements

Improves protection against network-based cyber threats

Facilitates secure information transfer within and outside the organization

Supports implementation of defense-in-depth strategies