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In this article explain ISO 27001 Annex : A.16.1.5 Response to Information Security Incidents, A.16.1.6 Learning from Information Security Incidents & A.16.1.7 Collection of Evidence this controls.

A.16.1.5 Response to Information Security Incidents

Control- In the context of the documented procedures, information security incidents should be responded to.

Implementation Guidance- A nominated point of contact and other pertinent people within the organization or external parties should be able to respond to information security incidents.

The following should be included in the response:

Gathering evidence as soon as possible after the occurrence;
Conduct forensic security information analysis where necessary;
Escalation, wherein necessary;
Ensuring adequate documentation for subsequent analysis of all responses activities involved;
Communicate to other internal or external entities or organizations who need to know if an information security incident occurs or any specific details thereof;
Addressing the weaknesses identified for information security or contributing to the incident;
The formal closing and recording of the incident until effectively concluded.

The investigation should be performed after the incident to determine the cause of the accident, if appropriate.

Other information- The first goal of the response to an incident is to restore the ‘daily security level’ and then start the necessary recovery.

A.16.1.6 Learning from Information Security Incidents

Control – To minimize the risk or effect of potential accidents, the experience obtained from the study and mitigation of information security accidents should be used.

Implementation Guidance- Mechanisms will be in place to measure and track the forms, quantities, and costs of events affecting information security. In order to classify recurring or high impact events, the information obtained from the information security events assessment should be used.

Other Information- In order to minimize the occurrence, harm and expense of potential accidents, or take account of the security policy analysis process, assessment of information security accidents that suggest that improved or additional controls are required (refer 5.1.2).

Facts and figures from real events in the security of information can be used in user awareness training with due consideration of confidentiality (refer 7.2.2) as examples of how these events may be handled and how to prevent them in the future.

Also Read : A.16.1.2 , A.16.1.3 & A.16.1.4

A.16.1.7 Collection of Evidence

Control- The organization will define, obtain, procure and retain information as documentation and implement procedures.

Implementation Guidance- External protocols for treating evidence for administrative and legal action should be established and tracked.

In general, the processes of defining, gathering, acquiring, and preserving the proof should be in line with various media types, technologies, and device specifications e.g. based on or off.

The procedures will take into consideration:

Custody chain;
Evidence of security
Personnel security;
The staff’s roles and responsibilities;
Personnel competency;
Documentation;
Briefing.

Certification or all other applicable staff and instrument credentials should be pursued where possible in order to strengthen the validity of the evidence retained.

Forensic findings can extend beyond the boundaries of association or jurisdiction. In these cases, the organization should be given the right to collect the required information as forensic proof. In order to optimize admission opportunities across the qualified jurisdictions, the criteria of the different jurisdictions should also be considered.

Other Information- The quest for, detection and recording of possible evidence requires identification. The collection process is the set of physical objects which may contain potential evidence. The method of acquisition is to create a copy of the data in a given package. Preservation is the mechanism by which probable evidence is stored and preserved.

This may not be clear if the incident would result in legal proceedings unless an information security issue is identified first. The risk, therefore, exists that the required proof may be intentionally or inadvertently lost prior to the seriousness of the incident. Any legal proceedings to be taken and guidance on the facts needed is recommended to involve a lawyer or police at an early age.

The guideline for identifying, collecting, acquiring and preserving digital evidence is provided by ISO / IEC 27037.

A well-known ISO 27001 Lead Auditor and ISO 27001 Lead Implementer certificate that mainly covers information security clauses and their implementation, i.e., controls which should be implemented by the organization to preserve the CIA triad, Confidentiality, Integrity, and Availability to maintain their critical, sensitive information in a secure manner. Infosavvy , an institute in Mumbai conducts training and certification for multiple domains in Information Security which includes IRCA CQI ISO 27001:2013 Lead Auditor (LA), ISO 27001 Lead Implementer (LI) (TÜV SÜD Certification). Infosavvy will help you to understand and recognize the full scope of your organization’s security checks to protect your organization’s activities and information equipment (assets) from attacks, and how to respond to any incident happened violating information security, and the process of defining, gathering, acquiring, and documenting the proof. We have trainers with extensive expertise and experience to ensure the efficient handling of the security of information. Consequently, the applicant will gain the necessary skills for the ISMS audit by using commonly agreed audit concepts, procedures, and techniques.

Questions related to this topic

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ISO 27001 Requirements

Clause 4.1 Understanding the organization and its context

Clause 4.2 Understanding the needs and expectations of interested parties

Clause 4.4 Information security management system
Clause 4.3 Determining the scope of the information security management system
Clause 5.1 Leadership and commitment
Clause 5.2 Policy
Clause 5.3 Organizational roles, responsibilities and authorities
Clause 6.1 Actions to address risks and opportunities
Clause 6.1.2 Information security risk assessment process
Clause 6.1.3 Information security risk treatment
Clause 6.2 Information security objectives & planning
Clause 7.1 Resources
Clause 7.2 Competence
Clause 7.3 Awareness
Clause 7.4 Communication
Clause 7.5 Documented information Implementation Guideline
Clause 8.1 Operational planning & control
Clause 8.2 Information security risk assessment
Clause 8.3 Information security risk treatment
Clause 9.1 Performance evaluation Monitoring, measurement, analysis & evaluation
Clause 9.2 Internal audit
Clause 9.3 Management review
Clause 10.1 Non conformity and corrective action
Clause 10.2 Continual Improvement

ISO 27001 Annex A Controls

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ISO 27001 Annex : A.16.1.5 Response to Information Security Incidents, A.16.1.6 Learning from Information Security Incidents & A.16.1.7 Collection of Evidence