We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Find out about the Industry Security Assurance Centre (ISAC) and its associated responsibilities.
The Security Service, MI5, is responsible for protecting the UK against threats to national security. MI5 works with the Home Office is supported by 1 public body .
SSG provides technical security solutions to those areas of the public sector requiring the highest level of security protection.
You can buy the British standards at a 30% discount.
Keep systems and data safe with the appropriate level of security.
The Government Security Profession brings security professionals working in government together to help them gain skills and knowledge. Government Security Profession is part of the Civil Service .
The MGS (MOD Guard Service) plays a vital role supporting MOD security.
Information about the SIA's Approved Contractor Scheme: what it is and who can be approved.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).