According to
DR, the NSA used its Xkeyscore system, which trawls through and analyzes global internet data, to seek information on Terma. An unnamed source said that search criteria had included individual email addresses and phone numbers of company employees.
Officially described as part of the NSA’s “lawful foreign signals intelligence collection system,” Xkeyscore is understood to be able to obtain email correspondence, browser history, chat conversations, and call logs.
In this case, the sources also contend that the NSA used its access to Danish communication cables and FE databases to search for communications related to two other companies, Eurofighter GmbH and Saab, who were respectively offering the Typhoon and Gripen multi-role fighters for the Danish F-16 replacement program. While the Gripen was withdrawn from the Danish competition in 2014, the Typhoon remained in the running until the end, alongside the F-35 and the Boeing F/A-18E/F Super Hornet.