Senator Wyden asked both companies to confirm or deny that they’d received TCNs. Both parties said, essentially, “if we got one we wouldn’t be allowed to tell you under U.K. law.” https://www.wyden.senate.gov/news/press-releases/bipartisan-members-of-congress-to-uk-spy-court-uk-gag-orders-for-surveillance-backdoors-threaten-americans-security-and-privacy-impede-congressional-oversight