National Security Implications of Supply Chain Vulnerabilities

American national security depends upon supply chain integrity. In today’s world, America’s adversaries often advance their goals by exploiting technological weaknesses, engaging in a range of malicious cyber activities targeted at U.S. government agencies and critical industries. Insufficient protection against the possibility of devastating cyberattacks—against the American electrical grid or command-and-control communications systems during a crisis—could have disastrous consequences for society. Last year’s John S. McCain National Defense Authorization Act banned government use of certain products from Chinese firms Huawei and ZTE. But the U.S.