In a bid to fortify its messaging platform against potential quantum computing decryption, Apple Inc. (NASDAQ:AAPL) has introduced a new security upgrade for iMessage. What Happened: The new security protocol, dubbed PQ3, is a significant overhaul of the iMessage cryptographic protocol. This move is indicative of U.S. tech companies preparing for the potential impact of quantum computing on current encryption methods, reported Reuters. The Cupertino, California-based tech giant asserts that its encryption algorithms are cutting-edge and have not been successfully breached. However, the emergen…