John Carlin, who left his post as a top U.S. Justice Department official this summer, is joining Paul, Weiss, Rifkind, Wharton & Garrison as co-head of the firm’s cybersecurity and data protection practice.

Carlin, who most recently served as the top adviser to Deputy Attorney General Lisa Monaco, starts Tuesday in the firm’s litigation department in Washington, D.C. He’s expected to advise clients on a range of cybersecurity, national security and white-collar issues including cyber incident preparedness and response, crisis management, sanctions and export control issues, and proceedings involving the Committee on Foreign Investment in the United States and the Foreign Agents Registration Act.