The FBI’s cyber chief is using Winter SHIELD to accelerate China prep, threat intelligence sharing

The FBI’s cyber chief, Brett Leatherman, is prioritizing preparation for stepped-up Chinese cyber threats, active measures to degrade adversary capabilities (including using AI-enhanced operations), and faster sharing of cyber threat intelligence with industry through the Operation Winter SHIELD campaign; the campaign highlights 10 practical defensive recommendations (such as protecting security logs and implementing phishing‑resistant authentication) and includes outreach to domestic and international partners while the article also flags political and resourcing concerns around the bureau’s cyber mission.