In the U.K. it’s proposed that “the bosses of any company that warns its members that British agencies are monitoring them face up to two years in prison. The proposed legislation would require tech firms to store users’ data for up to twelve months, including a record of every internet site visited, and allow government agencies unfettered access to the data.” It also will require “that companies weaken the encryption on messaging services such as WhatsApp and iMessage to enable agencies to evesdrop on conversations.”
Source: Tech companies face criminal charges if they notify users of UK government spying – TechSpot