Encryption battles between tech giants and governments rarely stay settled for long. Apple has now filed a fresh legal challenge against the U.K. government's second secret order demanding access to users' encrypted iCloud data, according to the Financial Times. Main Developments The complaint was lodged with the U.K.'s Investigatory Powers Tribunal, a court that handles surveillance-related disputes. That tribunal is now reviewing a "technical capability notice" issued by the government last year—a secret legal directive compelling companies to hand over user data, even when it is encrypted. Critics view such notices as an effective demand for a backdoor into Apple's cloud backups. The tension centers on Advanced Data Protection (ADP), a feature that makes iCloud data end-to-end encrypted, meaning even Apple cannot access it without the user's passcode. Read also: Siri AI Arrives in iOS 27 Beta, But the Magic Is Missing Apple has not publicly commented on the latest challenge. The company declined TechCrunch's request for a statement, leaving the tribunal's proceedings as the primary forum for the dispute. Background This fight follows a similar standoff in early 2025. London then issued a secret order demanding access to encrypted iCloud backups, but withdrew it after intervention from the Trump administration. In response to that first order, Apple disabled ADP for U.K. users, a move that effectively weakened protections for customers in the country. The second order, issued in October, prompted the current legal action. The Investigatory Powers Tribunal is a specialized court created to oversee government surveillance powers. Its involvement signals that the dispute has moved into a formal legal arena rather than remaining a private negotiation. Why It Matters At stake is whether governments can legally compel tech companies to undermine their own encryption. A ruling against Apple could set a precedent affecting not just U.K. users but also global standards for data privacy and security. For Apple, the case tests its commitment to end-to-end encryption as a core product promise. If the company loses, it may face pressure to weaken security for customers worldwide, not just in the U.K. For the broader industry, the outcome could influence how other governments approach encryption demands. A victory for Apple might deter similar attempts, while a defeat could embolden regulators elsewhere. What's Next The Investigatory Powers Tribunal will now consider Apple's complaint, though its proceedings are often closed to the public due to national security concerns. A timeline for a decision has not been announced. Observers will watch whether the tribunal upholds the notice, rejects it, or asks for modifications. Any ruling could be appealed by either side, potentially extending the legal battle. The case also leaves open whether Apple will restore ADP for U.K. users if the order is overturned, or whether it will continue to withhold the feature as a precaution.