The "bean bag" used in the exercise. U.S. Navy photo by Mass Communication Specialist 1st Class Brian P. Caracci
Popular Mechanics: To Prevent Cyber Snooping, the U.S. Navy Is Relying on WWII-Era Communications
The most secure means of passing messages is also one of the oldest.
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 even its most advanced, secure communications penetrated by the enemy. Secure digital messaging, voice communications, video conferencing, and even chats could be intercepted and decrypted for its intelligence value. This could give enemy forces an unimaginable advantage, seemingly predicting the moves and actions of the fleets at sea with uncanny accuracy.
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WNU Editor: This method may be slow, but it definitely cannot be intercepted.
