Apple has confirmed that it has filed a fresh legal complaint against the UK government over an order connected to access to private user data. The move opens a new phase in the dispute between the iPhone maker and British authorities over privacy and surveillance powers.

The complaint was lodged with a court that handles objections involving the use of covert surveillance measures. Apple has not publicly explained the full subject of the filing, but the challenge is tied to the broader issue of whether authorities can require access to protected user information.

The case is likely to draw attention because it sits at the intersection of digital privacy, government powers and the responsibilities of major technology companies. Apple has built much of its public stance around protecting customer data, while governments argue they need legal tools to investigate serious threats and crime.

With few details released so far, the legal complaint leaves open key questions about what the UK order requires and how far the government can go when seeking access to private data. What is clear is that the dispute could become an important test of how privacy rights and surveillance laws are balanced in the UK.