The Royal United Services Institute (RUSI) says in an intelligence report that British spies will need to use AI to counter threats.

Based in Westminster, the RUSI is the world’s oldest think tank on international defence and security. Founded in 1831 by the first Duke of Wellington, Sir Arthur Wellesley, the RUSI remains a highly respected institution that’s as relevant today as ever.

AI is rapidly advancing the capabilities of adversaries. In its report, the RUSI...