Multiple outlets report on remarks by Ken McCallum, head of the UK’s domestic intelligence agency MI5, warning about risks associated with Beijing. The accounts reference comments made in October of last year in which McCallum highlights potential threats in areas connected to the UK’s reliance on China, including concerns about information and data exposure. The coverage frames the issue as a security challenge that could affect the UK’s systems and decision-making if safeguards are insufficient. While the sources describe the situation in strongly negative terms, they consistently point to the same core elements: MI5 leadership publicly warns of risks posed by China, and the threat is presented as linked to the broader way the UK interacts with Chinese suppliers and technology, including possible pathways for data access. The reports do not provide additional concrete incident details in the excerpts provided, but they align on the claim that MI5’s stance is that the UK should treat China-related risks as an urgent matter of national security. Overall, the articles emphasize the need for awareness and mitigation of potential data and security vulnerabilities.