Guidance

Industry Security Notice (ISN)

A list of Industry Security Notices (ISNs) for defence personnel to highlight security changes or information.

From:
Ministry of Defence
Published
7 September 2010
Last updated
2431 March 2022 — See all updates

Documents

Personnel Security Requirements – Aftercare Responsibilities Related to Providing Accommodation to Foreign Nationals

Ref: ISN 2022/02 PDF, 141 KB, 3 pages

Cyber Security Model – Interim Process in support of DEFCON 658

Ref: ISN 2021/05 HTML

Industry Personnel Security Assurance

Ref: ISN 2021/04 HTML

Compliance with Cyber Security Requirements from Other Nations

Ref: ISN 2021/03 HTML

Exchange of Classified Information with the European Union

Ref: ISN 2021/01 HTML

Canada/UK industrial security arrangement - Arrangements for the Handling and Transmission of Classified and Protected Information

Ref: ISN 2020/05 PDF, 158 KB, 14 pages

ISN Supplier Guidance on renewal of the Supplier Assurance Questionnaire under DEFCON 658 (Cyber)

Ref: ISN 2020/06 HTML

Encryption of MODII at rest

Ref: ISN 2020/07 replaces ISN 2020/03 HTML

Clarification on requirements for remote working with MOD material

Ref: ISN 2020/01 PDF, 48.7 KB, 5 pages

Update to the Defence Cyber Protection Partnership’s (DCPP) Risk Assessment and Supplier Assurance Questionnaires

Ref: ISN 2019/02 HTML

Australia-UK security arrangement: Arrangements for the handling and transmission of defence classified information

Ref: ISN 2018/06 PDF, 261 KB, 11 pages

Ongoing personnel security requirements for defence contractors - aftercare responsibilities

Ref: ISN 2018/05 PDF, 166 KB, 4 pages

Introduction of Verify to the cyber security model and risk management guidance

Ref: ISN 2018/03 PDF, 213 KB, 7 pages

DART: risk balance case process

Ref: ISN 2018/01 PDF, 189 KB, 8 pages

Release of UK OFFICIAL-SENSITIVE and equivalent third party classified material to foreign non-government recipients

Ref: ISN 2017/07 PDF, 153 KB, 4 pages

Requirement to report security incidents affecting MOD material to the MOD

Ref: ISN 2017/03 PDF, 70.1 KB, 3 pages

Defence industry WARP CANNEL state notification

Ref: 2017/02 PDF, 332 KB

MOD ICT security accreditation and the defence assurance risk tool (DART)

Ref: ISN2017/01 PDF, 163 KB

Definition of MOD Identifiable Information

Ref: ISN 2016/05 PDF, 51.2 KB

Key email address changes for the Ministry of Defence

Ref: ISN 2016/04 PDF, 56.1 KB

Introduction of the National Security Vetting Solution (NSVS)

Ref: ISN 2016/03 PDF, 245 KB

MOD basic grade messaging (email) address routing changes

Ref: ISN 2016/02 PDF, 36.7 KB

MOD implementation of cyber essentials scheme

Ref: ISN 2016/01 PDF, 35.8 KB

Government security classification scheme: update

Ref: ISN 2015/05 PDF, 43.5 KB

New arrangements for DV (developed vetting) interviews

Ref: ISN 2015/04 PDF, 31.8 KB

Guidance on securing technology at OFFICIAL

Ref: ISN 2015/03 PDF, 31.3 KB

Introduction of the electronic private venture security grading and exhibition clearance processes on SPIRE

Ref: ISN 2015/02 PDF, 42.7 KB

Marking of MOD commercial information

Ref: ISN 2015/01 PDF, 62.2 KB, 2 pages

Government Security Classification Scheme

Ref: ISN 2014/05 PDF, 151 KB

Procedure for UK contractors to obtain Nato personnel security clearances (supersedes ISN 2011/03)

Ref: ISN 2014/03 PDF, 89 KB, 4 pages

Government Security Classification Scheme (updated April 2014)

Ref: ISN 2014/01 PDF, 749 KB, 29 pages

Defence Trade Cooperation Treaty (DTCT)

Ref: ISN 2012/01 PDF, 199 KB

Defence Trade Cooperation Treaty (DTCT): application form

Ref: ISN 2012/01 Annex A PDF, 838 KB, 11 pages

Incident reporting (supersedes ISN 2011/02: incident report)

Ref: ISN 2011/07 PDF, 195 KB

Advice on providing national security vetting (NSV) details to non-governmental organisations

Ref: ISN 2011/06 PDF, 176 KB

National security vetting and government contracting policy

Ref: ISN 2011/04 PDF, 173 KB

Social networking

Ref: ISN 2011/01 PDF, 200 KB

Policy to protect portable information and communications technology (ICT) devices and media

Ref: ISN 2010/04 PDF, 242 KB, 5 pages

National security vetting and government contracting policy

Ref: ISN 2010/03 PDF, 188 KB, 2 pages

Personal data handling

Ref: ISN 2010/01 PDF, 197 KB, 23 pages

Industry Supplier Guidance on DEFCON 658 (Flow - Down) – Amended

PDF, 298 KB, 7 pages

Business Continuity and Resilience

Ref: ISN 2022/01 PDF, 108 KB, 2 pages

Details

A Industry Security Notice (ISN) is an official document that tells people in industry about important instructions, guidance or other information relating to security.

Important notice

  • ‘ISN 2014/04 Farnborough International Air Show 2014: exhibition clearances’ has been removed
  • ‘ISN 2014/01: Government Security Classification Scheme’ updated April 2014
  • ‘ISN 2011/05 Defence & Security Equipment International (DSEi) 2011: exhibition clearances’ has been removed
  • ‘ISN 2011/02: incident report’ has been superseded by ‘2011/07: incident reporting’
  • ‘ISN 2011/03: Nato personnel security clearances’ has been superseded by ‘2014/03: Procedure for UK contractors to obtain Nato personnel security clearances’
Published 7 September 2010
Last updated 2431 March 2022 + show all updates

  1. Added: Business Continuity and Resilience

  2. Added: Personnel Security Requirements – Aftercare Responsibilities Related to Providing Accommodation to Foreign Nationals.

  3. Added: Industry Supplier Guidance on DEFCON 658 (Flow - Down) – Amended.

  4. Addition of: Cyber Security Model – Interim Process in support of DEFCON 658.

  5. Addition of: Industry Personnel Security Assurance.

  6. Updated: ISN Encryption Of MODII At Rest.

  7. Added: Compliance with Cyber Security Requirements from Other Nations and Encryption Of MODII At Rest.

  8. Added: Advice on completing the 2021 United Kingdom Census.

  9. Added: Exchange of Classified Information with the European Union.

  10. Addition of: Canada/UK industrial security arrangement - Arrangements for the Handling and Transmission of Classified and Protected Information.

  11. Addition of: ISN Supplier Guidance on renewal of the Supplier Assurance Questionnaire under DEFCON 658 (Cyber).

  12. Addition of: List V - Industry Personnel Security Assurance.

  13. Addition of: Encryption Of MODII At Rest.

  14. Industry security notice regarding cyber security model and cyber essentials plus certification during COVID-19 isolation added.

  15. Added the Clarification on requirements for remote working with MOD material, ISN 2020/01.

  16. Added Update to the Defence Cyber Protection Partnership’s (DCPP) Risk Assessment and Supplier Assurance Questionnaires.

  17. Updated Australia-UK security arrangement: Arrangements for the handling and transmission of defence classified information which has been amended.

  18. Added: Australia-UK Security Arrangement: Arrangements for the Handling and Transmission of Defence Classified Information

  19. Added Ongoing personnel security requirements for defence contractors - Aftercare responsibilities.

  20. Updated Interpretation of US DFARS clauses in relation to CDI and cyber reporting.

  21. Added Interpretation of US DFARS Clauses in relation to CDI and Cyber Reporting (ISN 2018/04).

  22. Added Introduction of Verify to the Cyber Security Model and Risk Management Guidance.

  23. Added Encryption of removable storage media holding MOD data ISN.

  24. Added ISN 01/18 DART – Risk Balance Case Process.

  25. Added Release of UK OFFICIAL-SENSITIVE and equivalent third party classified material to foreign non-government recipients.

  26. Added Encryption of removable storage media holding MOD data.

  27. Added ISN 03/2017: Requirement to report security incidents affecting MOD material to the MOD

  28. Added Industry supplier guidance on DEFCON 658 (ISN 2017/06) that replaces an earlier version of the guide (ISN 2017/05).

  29. Added Industry supplier guidance on DEFCON 658 (flow-down) ISN 2017/05.

  30. Added industry supplier guidance on DEFCON 658 (cyber).

  31. Added ISN 2017/02 Defence industry WARP CANNEL state notification

  32. Added MOD ICT security accreditation and the defence assurance risk tool (DART).

  33. Updated: Definition of MOD Identifiable Information

  34. Added: Definition of MOD Identifiable Information

  35. Added ISN 2016/04 key email address changes for the Ministry of Defence

  36. Added new ISN 2016/03.

  37. Added new Industry security notice ISN 2016/02.

  38. Added ISN 2016/01.

  39. Added ISN 2015/05.

  40. Added new ISN 2015/04.

  41. Removed out of date notices.

  42. Added ISN 2015/03: Guidance on Security Technology at OFFICIAL.

  43. Added ISN 2015/02: Introduction of the electronic private venture security grading and exhibition clearance processes on SPIRE.

  44. Replaced ISN 2015-01 Marking of MOD Commercial Information with amended version.

  45. Added ISN 2015/01: Marking of MOD commercial information.

  46. Added new ISN 2014/06

  47. Added ISN 2014/05.

  48. Added ISN 2014/04: Farnborough International Air Show 2014: exhibition clearances

  49. Replaced Government Security Classification Scheme with the updated April 2014 file.

  50. Removed 2011/03 which was superseded by 2014/03. Added 2014/02 and 2014/03.

  51. Added ISN 2014/01: Government Security Classification Scheme

  52. First published.