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Purpose and Values

MI5's mission is to keep the country safe, both now and in the future. The organisation's values contribute to that mission:

Making a difference

Our singular focus on the mission, striving for real results that make the country safer.

Teamwork

Working as one as MI5, bringing together in common purpose the best that everyone can give, supporting colleagues and treating each other with respect, and forging close partnerships and teams with others we depend upon.

Professionalism

Highest standards of integrity, objectivity and sense of proportion; great skills, expertise and experience; high quality information management; strong security culture; commitment to the rule of law, ethical conduct, accountability and compliance with our own procedures.

Innovation

Constantly seeking new ideas and different approaches to advance our capabilities, improve our ways of working, and overcome obstacles to our success; an embedded habit of learning and development and sharing knowledge.

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MI5 Director General and Head of CT Policing give joint interview for podcast

MI5 Director General Ken McCallum and head of Counter-Terrorism Policing Neil Basu gave their first joint interview for...

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MI5 logo with purple and blue background

MI5 joins Instagram

MI5 has joined Instagram with the aim of lifting the lid on what it's really like to work at the Security Service.

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