Facebook Says Investigating If Security Flaw Impacted Workplace App Users

Facebook Says Investigating If Security Flaw Impacted Workplace App Users
Silhouettes of laptop users are seen next to a screen projection of Facebook logo in this picture illustration taken on March 28, 2018. Dado Ruvic/IREUTERS/
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Facebook Inc said it was investigating if a security breach that it revealed last week had impacted users of its corporate chat app, Workplace.

The company’s shares were down 2 percent at $159.26.