To Prevent Cyber Snooping, the U.S. Navy Is Relying on WWII-Era Communications
The U.S. Navy, anticipating a future when a high-tech enemy could read its electronic communications, is going back to a hack-proof means of sending messages between ships: bean bags. Weighted bags with messages inside are passed among ships at sea by helicopters. In a future conflict with a tech-savvy opponent, the U.S. military could discover