hp-bg.jpgq
hp-bg.jpgq

MI5's mission is to keep the country safe

For more than a century we have worked to protect the UK from a range of national security threats.

MI5 Logo
MI5 Logo

Find out what we do

Careers at MI5

Explore the wide range of career opportunities at MI5

Silhouttes

Security advice

The National Protective Security Authority (NPSA) is part of MI5 and offers advice to businesses and organisations to help keep them and their customers safe from a range of national security threats.