# MI5 ## Definition MI5 is the United Kingdom's Security Service. It protects the UK against national-security threats and works with SIS, GCHQ, police, government, industry and academic partners. ## Pantheon Interface MI5 is not named as an S1E6 blueprint recipient. It matters because [[wiki/The Alan Turing Institute|The Alan Turing Institute]] publicly disclosed an AI and national-security partnership with MI5, illustrating the research-to-state translation layer that Pantheon compresses. ## Sources / Provenance - [MI5 — About us](https://www.mi5.gov.uk/about-us) - [Alan Turing Institute partnership with MI5](https://www.turing.ac.uk/news/partnership-between-mi5-and-alan-turing-institute-revealed)