China Abandons Cybersecurity Truce with U.S., Report Says

China largely abandoned a hacking truce negotiated by Barack Obama as President Donald Trump embarked on a trade war with Beijing last year, according to the cybersecurity firm Crowdstrike Inc.

A slowdown in Chinese hacking following the cybersecurity agreement Obama’s administration secured in 2015 appears to have been reversed, the firm said in a report released Feb. 19 that reviewed cyber activity by U.S. adversaries in 2018.

“By 2017 they started coming back and throughout 2018 they were back in full force,” said Adam Meyers, vice president of intelligence at Crowdstrike. “They have been very active and we expect to ...