Industry Security Notice (ISN)

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

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

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

Addition of: Industry Personnel Security Assurance.

Updated: ISN Encryption Of MODII At Rest.

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

Added: Advice on completing the 2021 United Kingdom Census.

Added: Exchange of Classified Information with the European Union.

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

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

Addition of: List V - Industry Personnel Security Assurance.

Addition of: Encryption Of MODII At Rest.

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

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

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

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

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

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

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

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

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

Added Encryption of removable storage media holding MOD data ISN.

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

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

Added Encryption of removable storage media holding MOD data.

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

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

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

Added industry supplier guidance on DEFCON 658 (cyber).

Added ISN 2017/02 Defence industry WARP CANNEL state notification

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

Updated: Definition of MOD Identifiable Information

Added: Definition of MOD Identifiable Information

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

Added new ISN 2016/03.

Added new Industry security notice ISN 2016/02.

Added ISN 2016/01.

Added ISN 2015/05.

Added new ISN 2015/04.

Removed out of date notices.

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

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

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

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

Added new ISN 2014/06

Added ISN 2014/05.

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

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

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

Added ISN 2014/01: Government Security Classification Scheme

First published.