President Obama announced that China and the U.S. had reached an agreement against cyberespionage that results in the loss of intellectual property. But the effectiveness of the agreement between the two countries is still in question, authors say. They say nation-state groups are leading cyberattacks linked to various types of espionage, including economic espionage. They use simple simple tactics to infiltrate networks and exfiltrate terabytes of sensitive data. Authors: Fully homomorphic encryption can limit the infiltration of secure networks, combat the offensive techniques used by nation-states.”]