Japan and Britain have agreed to expand cooperation on cybersecurity and critical mineral supply chains, framing the move as a strategic response to intensifying geopolitical, economic, and technological pressures. The British and Japanese cybersecurity strategy and agreement were confirmed during British Prime Minister Keir Starmer’s overnight visit to Tokyo, where leaders from both countries reaffirmed their commitment to collective security and economic resilience. 

At a joint news conference in Tokyo, Starmer said the timing of his visit was shaped by mounting global instability. “Geopolitical, economic, and technological shocks are literally shaking the world,” he said, adding that he ...