A bipartisan group of senators is questioning eight major U.S. corporations about the transmission of American user data to foreign bidders, usually used for digital advertising.
“We write to seek information about your company’s sharing of Americans’ personal data in order to understand how that information may be obtained and exploited by foreign governments to the detriment of our national security,” the letter (pdf), sent on April 1 by Sen. Ron Wyden (D-Ore.), reads.
