GPS is vulnerable to cyberattacks and other technical threats which could severely cripple the U.S. national defense systems and society as a whole. 

Combatting insider risk and human error is critical to maintaining cybersecurity. Geopolitical education may help reduce cyber risk.

As with most other business, economic, and governmental sectors that are imperative to daily life, the energy sector is at risk from a variety of threats both cyber and physical. What can be done?

Attacks on water systems can come in various forms, not only from pure physical threats. Having a strong and diligent workforce that emphasizes security and basic methods of cyber protection is imperative.