Change of https://www.gov.uk/guidance/defence-equipment-and-support-principal-security-advisor

Change description : 2025-08-08 11:37:00: ‘Industry Security Assurance Centre responsibilities’ updated. [Guidance and regulation]

Showing diff : 2024-03-25 12:23:53.090473369 +00:00..2025-08-08 10:37:39.502966060 +00:00

Guidance

Industry Security Assurance Centre

Find out about the Industry Security Assurance Centre (ISAC) and its associated responsibilities.

Update history

2025-08-08 11:37
‘Industry Security Assurance Centre responsibilities’ updated.

2024-03-25 12:23
Updated information on international visits.

2024-03-13 15:32
Updated Facility Security Clearance (FSC) policy and guidance for UK Defence contractors and MOD contracting authorities.

2024-01-15 13:44
Updated ‘Facility Security Clearance (FSC) policy and guidance for UK Defence contractors and MOD contracting authorities’.

2023-11-15 11:40
Updated ‘Facility Security Clearance (FSC) policy and guidance for UK Defence contractors and MOD contracting authorities’.

2023-03-09 11:16
Updated information under ‘Inward visits’ and ‘Emergency visits’ sections.

2023-01-04 11:07
Added ‘Facility Security Clearance (FSC) policy and guidance for UK Defence contractors and MOD contracting authorities’.

2022-10-11 13:44
Email address under ‘The International Visits Control Office’ updated.

2022-03-21 11:51
‘Overview’, ‘Contact us’, ‘Industry Security Assurance Centre responsibilities’ ‘The ISAC Vault’, ‘National security vetting and government contracting’, ‘Security awareness’ and ‘Frequently asked questions’ sections updated.