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Intrinsic vulnerabilities are related to the characteristics of the asset that make it susceptible to threats, regardless of the presence or absence of controls. In scenario 1, the complicated user interface of the web-based medical software is an intrinsic vulnerability, as it is a feature of the software that makes it difficult to use and increases the likelihood of human errors. The software malfunction and the service interruptions are not intrinsic vulnerabilities, but rather incidents that occurred due to external factors, such as the increased number of users or the software company’s actions.

References: ISO/IEC 27001:2022 Lead Implementer Course Content, Module 6: Risk Assessment and Treatment1; ISO/IEC 27001:2022 Information Security, Cybersecurity and Privacy Protection, Clause 6.1.2: Information security risk assessment2

ISO/IEC 27001:2022 does not prescribe a specific set of security controls that must be implemented by all organizations. Instead, it allows organizations to select and implement the controls that are appropriate for their context, based on the results of a risk assessment and a risk treatment plan. The risk treatment plan is a document that specifies the actions to be taken to address the identified risks, including the selection of controls from Annex A or other sources, the allocation of responsibilities, the expected outcomes, the priorities and the resources. Therefore, the security controls that must be implemented to comply with ISO/IEC 27001 are those that are included in the risk treatment plan, which may vary from one organization to another.

References:

ISO/IEC 27001:2022, clause 6.1.3

PECB ISO/IEC 27001 Lead Implementer Course, Module 5, slide 18

According to the ISO/IEC 27001:2022 standard, an information security policy is a high-level document that defines the management approach and objectives for information security within the organization. It should include, among other things, the legal and regulatory obligations imposed upon the organization, such as compliance with laws, contracts, agreements, and standards that are relevant to information security. The information security policy should also provide the basis for establishing, implementing, maintaining, and continually improving the information security management system (ISMS).

References:

ISO/IEC 27001:2022, Clause 5.2 Policy

ISO/IEC 27002:2022, Clause 5.1 Policies for information security

PECB ISO/IEC 27001 Lead Implementer Course, Module 3: Information Security Management System (ISMS)

According to ISO/IEC 27001, an incident management process must include processes for using knowledge gained from information security incidents to reduce the likelihood or impact of future incidents, and to improve the overall level of information security. This means that the organization should conduct a root cause analysis of the incidents, identify the lessons learned, and implement corrective actions to prevent recurrence or mitigate consequences. The organization should also document and communicate the results of the incident management process to relevant stakeholders, and update the risk assessment and treatment plan accordingly. (Must be taken from ISO/IEC 27001 : 2022 Lead Implementer resources)

References: ISO/IEC 27001 : 2022 Lead Implementer Study guide and documents, specifically:

ISO/IEC 27001:2022, clause 10.2 Nonconformity and corrective action

ISO/IEC 27001:2022, Annex A.16 Information security incident management

ISO/IEC TS 27022:2021, clause 7.5.3.16 Information security incident management process

PECB ISO/IEC 27001 Lead Implementer Course, Module 9: Incident Management

According to the ISO/IEC 27001:2022 standard, the certification body is responsible for planning and conducting the audit, including the review of the documented information. The certification body may decide to review the documentation on-site or off-site, depending on the audit objectives, scope, criteria, and risks. The auditee may not impose any restrictions on the access to the documentation, unless there are valid reasons for confidentiality or security. However, such restrictions should be agreed upon before the audit and should not compromise the effectiveness and impartiality of the audit.

References:

ISO/IEC 27001:2022, clause 9.2.2

ISO/IEC 27006:2021, clause 7.1.4

According to ISO/IEC 27001 : 2022 Lead Implementer, risk retention is one of the four risk treatment options that an organization can choose to deal with unacceptable risks. Risk retention means that the organization accepts the risk without taking any action to reduce its likelihood or impact. It applies to risks that are either too costly or impractical to address, or that have a low probability or impact. Therefore, an example of risk retention is when an organization decides to release the software even though some minor bugs have not been fixed yet. This implies that the organization has assessed the risk of releasing the software with bugs and has determined that it is acceptable, either because the bugs are not critical or because the cost of fixing them would outweigh the benefits.

References:

ISO/IEC 27001 : 2022 Lead Implementer Study guide and documents, section 8.3.2 Risk treatment

ISO/IEC 27001 : 2022 Lead Implementer Info Kit, page 14, Risk management process

3, ISO 27001: Top risk treatment options and controls explained

According to ISO/IEC 27001:2022, information security controls are measures that are implemented to protect the confidentiality, integrity, and availability of information assets1. Controls can be preventive, detective, or corrective, depending on their purpose and nature2. Preventive controls aim to prevent or deter the occurrence of a security incident or reduce its likelihood. Detective controls aim to detect or discover the occurrence of a security incident or its symptoms. Corrective controls aim to correct or restore the normal state of an asset or a process after a security incident or mitigate its impact2.

In this scenario, Socket Inc. implemented several security controls to prevent information security incidents from recurring, such as:

Segregation of networks: This is a preventive and technical control that involves separating different parts of a network into smaller segments, using devices such as routers, firewalls, or VPNs, to limit the access and communication between them3. This can enhance the security and performance of the network, as well as reduce the administrative efforts and costs3.

Privileged access rights: This is a preventive and administrative control that involves granting access to information assets or systems only to authorized personnel who have a legitimate need to access them, based on their roles and responsibilities4. This can reduce the risk of unauthorized access, misuse, or modification of information assets or systems4.

Cryptographic controls: This is a preventive and technical control that involves the use of cryptography, which is the science of protecting information by transforming it into an unreadable format, to protect the confidentiality, integrity, and authenticity of information assets or systems. This can prevent unauthorized access, modification, or disclosure of information assets or systems.

Information security threat management: This is a preventive and administrative control that involves the identification, analysis, and response to information security threats, which are any incidents that could negatively affect the confidentiality, integrity, or availability of information assets or systems. This can help the organization to anticipate, prevent, or mitigate the impact of information security threats.

Information security integration into project management: This is a preventive and administrative control that involves the incorporation of information security requirements and controls into the planning, execution, and closure of projects, which are temporary endeavors undertaken to create a unique product, service, or result. This can ensure that information security risks and opportunities are identified and addressed throughout the project life cycle.

However, information backup is not a preventive control, but a corrective control. Information backup is a corrective and technical control that involves the creation and maintenance of copies of information assets or systems, using dedicated software and utilities, to ensure that they can be recovered in case of data loss, corruption, accidental deletion, or cyber incidents. This can help the organization to restore the normal state of information assets or systems after a security incident or mitigate its impact. Therefore,information backup does not prevent information security incidents from recurring, but rather helps the organization to recover from them.

References:

ISO/IEC 27001:2022 - Information security, cybersecurity and privacy protection — Information security management systems — Requirements

ISO 27001 Key Terms - PJR

Network Segmentation: What It Is and How It Works | Imperva

ISO 27001:2022 Annex A 8.2 – Privileged Access Rights - ISMS.online

[ISO 27001:2022 Annex A 8.3 – Cryptographic Controls - ISMS.online]

[ISO 27001:2022 Annex A 5.30 – Information Security Threat Management - ISMS.online]

[ISO 27001:2022 Annex A 5.31 – Information Security Integration into Project Management - ISMS.online]

[ISO 27001:2022 Annex A 8.13 – Information Backup - ISMS.online]