US Initiative Warns Firms of Hacking by China, Other Countries

A worker is silhouetted against a computer display showing a live visualization of the online phishing and fraudulent phone calls across China in this file photo. Ng Han Guan/AP

WASHINGTON—The Trump administration on Jan. 7 launched a drive to push U.S. firms to better protect their trade secrets from foreign hackers, following a slew of cases accusing individuals and companies of economic espionage for China.

U.S. companies hit by recent attacks included Hewlett Packard Enterprise Co and International Business Machines Corp.