Chertoff urges judges to remain vigilant after endorsing Supreme Court's leak investigation.

Michael Chertoff, former Homeland Security Secretary and consultant to the Supreme Court on security matters, warned federal judges to guard against potential breaches and tighten their security practices. He urged judges and attorneys to consider watermarking documents to trace potential leaks back to individuals. Chertoff also discussed the threat of cybersecurity, including those from hackers and government actors in places like Russia, China, and North Korea. He warned about the "insider threat" and suggested tailoring access to what individual employees actually require to do their jobs.