Google, Twitter told to share info about data-sharing deal with Chinese cos

Facebook had partnerships with Chinese telecom companies including Huawei that allowed them to access Facebook users' non-public data

A top US lawmaker asked Twitter and Google’s parent company Alphabet to provide information about their data-sharing agreements with Chinese companies, amid growing security and intellegence concerns over the tech trade with third-party vendors.
 
The letter by Democratic Senator Mark Warner, who is a Vice Chairman of the powerful Senate Select Committee on Intelligence, follows a disclosure earlier this week by Facebook that it had partnerships with Chinese telecom companies including Huawei that allowed them to access Facebook users' non-public data.

“Since at least October