U.S. intelligence agencies are leveraging AI to detect cyber intrusions into critical infrastructure, focusing on Chinese hackers. AI's role in cybersecurity is highlighted by its ability to uncover covert attacks on transport systems, pipelines, and ports. Rob Joyce of the NSA emphasized the threat of cybercriminals using advanced tactics. Concerns are raised about AI misuse and the economic divide in cyber defenses. U.S. Attorney Breon Peace noted the rise of generative AI tools in cybercrime. Amazon's Chief Security Officer, Stephen Schmidt, acknowledged the use of AI in Amazon's cybersecurity. The urgency for AI defenses is driven by the increasing threats from China and the need to protect critical infrastructure.