DISC InfoSec blogPenetration Testing and ISO 27001 - Securing ISMS

Nov 27 2024

Penetration Testing and ISO 27001 – Securing ISMS

Category: ISO 27k,Pen Test — disc7 @ 9:06 am

The document highlights the integration of penetration testing within ISO 27001’s framework, emphasizing its critical role in identifying system vulnerabilities and maintaining security posture. It links pen testing to the standard’s risk management and continuous improvement principles, focusing on Annex A controls, such as Operations Security and Compliance.

It details the importance of scoping, balancing business needs with potential risks. The guide underscores embedding pen testing into broader risk assessment efforts to enhance resilience.

How does penetration testing fit into my ISO 27001 ISMS project?

There are three stages in your ISMS project when penetration testing can make a
significant contribution:

As part of the risk assessment process, to uncover vulnerabilities in any
Internet-facing IP addresses, web applications or internal devices and
applications, and link them to identifiable threats.
As part of the risk treatment plan, to ensure that security controls work
as designed.
As part of the ongoing performance evaluation and improvement
processes, to ensure that controls continue to work as required and that
new and emerging vulnerabilities are identified and dealt with.

ISO 27001 says that you must identify information security risks within the scope of
the ISMS (Clause 6.1.2.c). This involves identifying all assets and information systems
within scope of the ISMS, and then identifying the risks and vulnerabilities those
assets and systems are subject to.

A penetration test can help identify these risks and vulnerabilities. The results will
highlight detected issues and guide remedial action, and are a key input for your risk
assessment and treatment process. Once you understand the threats you face, you
can make an informed decision when selecting controls.

For further details, access the full document here.

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