The government is suggesting that it might ban some Apple security updates. Under the latest plans, tech companies would need to notify the British government before rolling out a security fix but might be refused permission if it blocks a vulnerability that’s being exploited by security services.
This is probably one of the reasons Tories pushed for Brexit
To be fair I think they were quite split on the issue, I think the back benchers were more pro Brexit but the more prominent Tories were remainers.