- See ISO 27002:2022 Control 8.10 for more information.
Purpose of ISO 27001:2022 Annex A 8.10 – Information Deletion
Organisations should be conscious of their obligation to erase data stored on internal servers, hard drives, arrays and USB drives once it is no longer needed. This applies to data held on employees, users, customers, and organisations.
Ownership of Annex A 8.10
ISO 27001:2022 Annex A Control 8.10 largely covers maintenance activities related to deletion and destruction of data and/or IT assets, including utilisation of specialised software and liaison with vendors specialising in data and device deletion. Consequently, ownership should be vested in the Head of IT, or equivalent.
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General Guidance on ISO 27001:2022 Annex A 8.10 Compliance
It can be challenging to determine when data should be erased. Generally, ISO 27001:2022 Annex A Control 8.10 asks organisations to erase data when it is not needed, to reduce the risk of unwanted disclosure. That is, data being seen by, or distributed to, those who are not authorised to access it.
When the time arrives to erase data, organisations should:
- Choose a suitable deletion method that complies with any existing laws or regulations. Options include regular deletion, overwriting or encoded elimination.
- Record the outcomes of the removal for future reference.
- Ensure that, when employing a specialised deletion vendor, the organisation obtains sufficient evidence (typically via documentation) that the deletion has been performed.
- Organisations ought to precisely specify their needs when using a third-party vendor, including deletion methods and time-frames, and should guarantee that deletion activities are included in a binding contract.
General Guidance – Specific Deletion Methods
Organisations should devise a deletion process by:
- Setting up internal systems to erase data and information as outlined in the company’s policy on retaining them.
- Verify that any deletion encompasses temporary files, cached information, duplicates of data, and old models.
- Think about using specialised deletion utility programs to reduce the risk.
- Contract only with certified, verifiable deletion specialists if a third-party service is required.
- Implement physical deletion measures suitable for the device in question, such as degaussing magnetic storage media, resetting a smartphone to factory settings, or destruction (see Annex A 7.14).
- Ensure that cloud service providers are in line with the organisation’s deletion requirements (as much as possible).
Supplementary Information on Annex A 8.10
Prior to sending off any servers or workstations, organisations should take out any internal or external storage devices.
Supporting Guidelines
- ISO 27001:2022 Annex A 7.14
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Changes and Differences from ISO 27001:2013
ISO 27001:2022 Annex A Control 8.10 has no counterpart in ISO 27001:2013 as it is a new addition.
Table of All ISO 27001:2022 Annex A Controls
In the table below you’ll find more information on each individual ISO 27001:2022 Annex A Control.
ISO 27001:2022 Organisational Controls
| Annex A Control Type | ISO/IEC 27001:2022 Annex A Identifier | ISO/IEC 27001:2013 Annex A Identifier | Annex A Name |
|---|---|---|---|
| Organisational Controls | Annex A 5.1 | Annex A 5.1.1 Annex A 5.1.2 | Policies for Information Security |
| Organisational Controls | Annex A 5.2 | Annex A 6.1.1 | Information Security Roles and Responsibilities |
| Organisational Controls | Annex A 5.3 | Annex A 6.1.2 | Segregation of Duties |
| Organisational Controls | Annex A 5.4 | Annex A 7.2.1 | Management Responsibilities |
| Organisational Controls | Annex A 5.5 | Annex A 6.1.3 | Contact With Authorities |
| Organisational Controls | Annex A 5.6 | Annex A 6.1.4 | Contact With Special Interest Groups |
| Organisational Controls | Annex A 5.7 | NEW | Threat Intelligence |
| Organisational Controls | Annex A 5.8 | Annex A 6.1.5 Annex A 14.1.1 | Information Security in Project Management |
| Organisational Controls | Annex A 5.9 | Annex A 8.1.1 Annex A 8.1.2 | Inventory of Information and Other Associated Assets |
| Organisational Controls | Annex A 5.10 | Annex A 8.1.3 Annex A 8.2.3 | Acceptable Use of Information and Other Associated Assets |
| Organisational Controls | Annex A 5.11 | Annex A 8.1.4 | Return of Assets |
| Organisational Controls | Annex A 5.12 | Annex A 8.2.1 | Classification of Information |
| Organisational Controls | Annex A 5.13 | Annex A 8.2.2 | Labelling of Information |
| Organisational Controls | Annex A 5.14 | Annex A 13.2.1 Annex A 13.2.2 Annex A 13.2.3 | Information Transfer |
| Organisational Controls | Annex A 5.15 | Annex A 9.1.1 Annex A 9.1.2 | Access Control |
| Organisational Controls | Annex A 5.16 | Annex A 9.2.1 | Identity Management |
| Organisational Controls | Annex A 5.17 | Annex A 9.2.4 Annex A 9.3.1 Annex A 9.4.3 | Authentication Information |
| Organisational Controls | Annex A 5.18 | Annex A 9.2.2 Annex A 9.2.5 Annex A 9.2.6 | Access Rights |
| Organisational Controls | Annex A 5.19 | Annex A 15.1.1 | Information Security in Supplier Relationships |
| Organisational Controls | Annex A 5.20 | Annex A 15.1.2 | Addressing Information Security Within Supplier Agreements |
| Organisational Controls | Annex A 5.21 | Annex A 15.1.3 | Managing Information Security in the ICT Supply Chain |
| Organisational Controls | Annex A 5.22 | Annex A 15.2.1 Annex A 15.2.2 | Monitoring, Review and Change Management of Supplier Services |
| Organisational Controls | Annex A 5.23 | NEW | Information Security for Use of Cloud Services |
| Organisational Controls | Annex A 5.24 | Annex A 16.1.1 | Information Security Incident Management Planning and Preparation |
| Organisational Controls | Annex A 5.25 | Annex A 16.1.4 | Assessment and Decision on Information Security Events |
| Organisational Controls | Annex A 5.26 | Annex A 16.1.5 | Response to Information Security Incidents |
| Organisational Controls | Annex A 5.27 | Annex A 16.1.6 | Learning From Information Security Incidents |
| Organisational Controls | Annex A 5.28 | Annex A 16.1.7 | Collection of Evidence |
| Organisational Controls | Annex A 5.29 | Annex A 17.1.1 Annex A 17.1.2 Annex A 17.1.3 | Information Security During Disruption |
| Organisational Controls | Annex A 5.30 | NEW | ICT Readiness for Business Continuity |
| Organisational Controls | Annex A 5.31 | Annex A 18.1.1 Annex A 18.1.5 | Legal, Statutory, Regulatory and Contractual Requirements |
| Organisational Controls | Annex A 5.32 | Annex A 18.1.2 | Intellectual Property Rights |
| Organisational Controls | Annex A 5.33 | Annex A 18.1.3 | Protection of Records |
| Organisational Controls | Annex A 5.34 | Annex A 18.1.4 | Privacy and Protection of PII |
| Organisational Controls | Annex A 5.35 | Annex A 18.2.1 | Independent Review of Information Security |
| Organisational Controls | Annex A 5.36 | Annex A 18.2.2 Annex A 18.2.3 | Compliance With Policies, Rules and Standards for Information Security |
| Organisational Controls | Annex A 5.37 | Annex A 12.1.1 | Documented Operating Procedures |
ISO 27001:2022 People Controls
| Annex A Control Type | ISO/IEC 27001:2022 Annex A Identifier | ISO/IEC 27001:2013 Annex A Identifier | Annex A Name |
|---|---|---|---|
| People Controls | Annex A 6.1 | Annex A 7.1.1 | Screening |
| People Controls | Annex A 6.2 | Annex A 7.1.2 | Terms and Conditions of Employment |
| People Controls | Annex A 6.3 | Annex A 7.2.2 | Information Security Awareness, Education and Training |
| People Controls | Annex A 6.4 | Annex A 7.2.3 | Disciplinary Process |
| People Controls | Annex A 6.5 | Annex A 7.3.1 | Responsibilities After Termination or Change of Employment |
| People Controls | Annex A 6.6 | Annex A 13.2.4 | Confidentiality or Non-Disclosure Agreements |
| People Controls | Annex A 6.7 | Annex A 6.2.2 | Remote Working |
| People Controls | Annex A 6.8 | Annex A 16.1.2 Annex A 16.1.3 | Information Security Event Reporting |
ISO 27001:2022 Physical Controls
| Annex A Control Type | ISO/IEC 27001:2022 Annex A Identifier | ISO/IEC 27001:2013 Annex A Identifier | Annex A Name |
|---|---|---|---|
| Physical Controls | Annex A 7.1 | Annex A 11.1.1 | Physical Security Perimeters |
| Physical Controls | Annex A 7.2 | Annex A 11.1.2 Annex A 11.1.6 | Physical Entry |
| Physical Controls | Annex A 7.3 | Annex A 11.1.3 | Securing Offices, Rooms and Facilities |
| Physical Controls | Annex A 7.4 | NEW | Physical Security Monitoring |
| Physical Controls | Annex A 7.5 | Annex A 11.1.4 | Protecting Against Physical and Environmental Threats |
| Physical Controls | Annex A 7.6 | Annex A 11.1.5 | Working In Secure Areas |
| Physical Controls | Annex A 7.7 | Annex A 11.2.9 | Clear Desk and Clear Screen |
| Physical Controls | Annex A 7.8 | Annex A 11.2.1 | Equipment Siting and Protection |
| Physical Controls | Annex A 7.9 | Annex A 11.2.6 | Security of Assets Off-Premises |
| Physical Controls | Annex A 7.10 | Annex A 8.3.1 Annex A 8.3.2 Annex A 8.3.3 Annex A 11.2.5 | Storage Media |
| Physical Controls | Annex A 7.11 | Annex A 11.2.2 | Supporting Utilities |
| Physical Controls | Annex A 7.12 | Annex A 11.2.3 | Cabling Security |
| Physical Controls | Annex A 7.13 | Annex A 11.2.4 | Equipment Maintenance |
| Physical Controls | Annex A 7.14 | Annex A 11.2.7 | Secure Disposal or Re-Use of Equipment |
ISO 27001:2022 Technological Controls
| Annex A Control Type | ISO/IEC 27001:2022 Annex A Identifier | ISO/IEC 27001:2013 Annex A Identifier | Annex A Name |
|---|---|---|---|
| Technological Controls | Annex A 8.1 | Annex A 6.2.1 Annex A 11.2.8 | User Endpoint Devices |
| Technological Controls | Annex A 8.2 | Annex A 9.2.3 | Privileged Access Rights |
| Technological Controls | Annex A 8.3 | Annex A 9.4.1 | Information Access Restriction |
| Technological Controls | Annex A 8.4 | Annex A 9.4.5 | Access to Source Code |
| Technological Controls | Annex A 8.5 | Annex A 9.4.2 | Secure Authentication |
| Technological Controls | Annex A 8.6 | Annex A 12.1.3 | Capacity Management |
| Technological Controls | Annex A 8.7 | Annex A 12.2.1 | Protection Against Malware |
| Technological Controls | Annex A 8.8 | Annex A 12.6.1 Annex A 18.2.3 | Management of Technical Vulnerabilities |
| Technological Controls | Annex A 8.9 | NEW | Configuration Management |
| Technological Controls | Annex A 8.10 | NEW | Information Deletion |
| Technological Controls | Annex A 8.11 | NEW | Data Masking |
| Technological Controls | Annex A 8.12 | NEW | Data Leakage Prevention |
| Technological Controls | Annex A 8.13 | Annex A 12.3.1 | Information Backup |
| Technological Controls | Annex A 8.14 | Annex A 17.2.1 | Redundancy of Information Processing Facilities |
| Technological Controls | Annex A 8.15 | Annex A 12.4.1 Annex A 12.4.2 Annex A 12.4.3 | Logging |
| Technological Controls | Annex A 8.16 | NEW | Monitoring Activities |
| Technological Controls | Annex A 8.17 | Annex A 12.4.4 | Clock Synchronization |
| Technological Controls | Annex A 8.18 | Annex A 9.4.4 | Use of Privileged Utility Programs |
| Technological Controls | Annex A 8.19 | Annex A 12.5.1 Annex A 12.6.2 | Installation of Software on Operational Systems |
| Technological Controls | Annex A 8.20 | Annex A 13.1.1 | Networks Security |
| Technological Controls | Annex A 8.21 | Annex A 13.1.2 | Security of Network Services |
| Technological Controls | Annex A 8.22 | Annex A 13.1.3 | Segregation of Networks |
| Technological Controls | Annex A 8.23 | NEW | Web filtering |
| Technological Controls | Annex A 8.24 | Annex A 10.1.1 Annex A 10.1.2 | Use of Cryptography |
| Technological Controls | Annex A 8.25 | Annex A 14.2.1 | Secure Development Life Cycle |
| Technological Controls | Annex A 8.26 | Annex A 14.1.2 Annex A 14.1.3 | Application Security Requirements |
| Technological Controls | Annex A 8.27 | Annex A 14.2.5 | Secure System Architecture and Engineering Principles |
| Technological Controls | Annex A 8.28 | NEW | Secure Coding |
| Technological Controls | Annex A 8.29 | Annex A 14.2.8 Annex A 14.2.9 | Security Testing in Development and Acceptance |
| Technological Controls | Annex A 8.30 | Annex A 14.2.7 | Outsourced Development |
| Technological Controls | Annex A 8.31 | Annex A 12.1.4 Annex A 14.2.6 | Separation of Development, Test and Production Environments |
| Technological Controls | Annex A 8.32 | Annex A 12.1.2 Annex A 14.2.2 Annex A 14.2.3 Annex A 14.2.4 | Change Management |
| Technological Controls | Annex A 8.33 | Annex A 14.3.1 | Test Information |
| Technological Controls | Annex A 8.34 | Annex A 12.7.1 | Protection of Information Systems During Audit Testing |
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