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Impact of Our Reporting
Pentagon Bans Tech Vendors From Using China-Based Personnel After ProPublica Investigation
The Defense Department has tightened cybersecurity requirements for its cloud services providers. The changes come after ProPublica revealed how Microsoft’s use of China-based engineers left sensitive government data vulnerable to hacking.
Pentagon Warns Microsoft: Company’s Use of China-Based Engineers Was a “Breach of Trust”
The Defense Department is opening an investigation to determine if the tech giant’s use of overseas engineers to maintain sensitive U.S. government computer systems compromised national security.
Microsoft Says It Has Stopped Using China-Based Engineers to Support Defense Department Computer Systems
After a ProPublica investigation revealed how Microsoft’s “digital escort” tech support service could expose sensitive government data to cyberattacks, the company says China-based engineers will no longer provide assistance on DOD cloud services.
Series
Neo-Nazi Telegram Users Panic Amid Crackdown and Arrest of Alleged Leaders of Online Extremist Group
What We’re Watching
During Donald Trump’s second presidency, ProPublica will focus on the areas most in need of scrutiny. Here are some of the issues our reporters will be watching — and how to get in touch with them securely.
Learn more about our reporting team. We will continue to share our areas of interest as the news develops.

Sharon Lerner
I cover health and the environment and the agencies that govern them, including the Environmental Protection Agency.

Andy Kroll
I cover justice and the rule of law, including the Justice Department, U.S. attorneys and the courts.

Melissa Sanchez
I report on immigration and labor, and I am based in Chicago.

Jesse Coburn
I cover housing and transportation, including the companies working in those fields and the regulators overseeing them.
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