Abstract: As the United States continues to rely on interconnected digital systems for critical infrastructure, commerce, and defense, the nation faces an escalating array of cyber threats that pose serious challenges to its national security. This research paper explores the evolving landscape of cyber threats to the United States, examining the nature of these threats, their potential consequences, and strategies to mitigate them. The paper also discusses the role of international actors, the implications of emerging technologies, and the policy considerations necessary for safeguarding national security in the digital age.