Governments are spying on U.S. smartphone users through the push notifications that they receive from apps, Senator Ron Wyden wrote in a letter to the Department of Justice on Wednesday and Apple confirmed. Apple confirmed in a statement to Reuters on Wednesday that, “In this case, the federal government prohibited us from sharing any information. Now that this method has become public we are updating our transparency reporting to detail these kinds of requests.”
https://www.vice.com/en/article/wxjbv9/apple-just-confirmed-governments-are-spying-on-peoples-phones-with-push-notifications