Microsoft Corp. is internally investigating sales records to check whether Russian-linked entities bought ads on Bing or other company products during the 2016 U.S. election, Recode reported Oct. 9.
A company spokesman reportedly said in a statement that if any inappropriate activity is found, the company will take steps to minimize such misuse in the future.
Also, Facebook Inc. said it found that 470 Russian-tied profiles purchased about 3,000 ads that sought to stoke racial, religious and other social tensions before and after Election Day 2016. A probe by Alphabet Inc. unit Google Inc., meanwhile, has found that Russian operatives placed ads on its YouTube, Gmail and Google Search platforms in a bid to interfere in the presidential election.
The revelations come as the U.S. Senate Intelligence Committee invited Google, Facebook and Twitter Inc. to testify at a public hearing Nov. 1 regarding alleged Russian involvement in the election.