People contracted to work for Apple were listening in to Dutch language conversations recorded via the company’s digital assistant Siri, website Nu.nl said on Friday.

Last week the Guardian revealed that Apple contractors regularly hear confidential medical information, drug deals, and recordings of couples having sex, as part of their job to provide quality control and improve Siri’s services.

The work is carried out by Irish company GlobeTech, Nu.nl said. The website bases its information on a whistleblower statement and documents.

Apple told Nu.nl is planned to stop the project, following the Guardian revelations and questions from the Dutch news organisation, but did not say when this would take place.

The recordings are made after people have pressed the Siri button or said ‘Hey Siri’, and the GlobeTech workers only hear a small part of the recording, Nu.nl said. Nevertheless, the company has not made the fact that recordings are being made explicitly clear to users, Nu.nl said.

Nu.nl says it came in contact with the whistleblower following reports by NOS last month, in which it emerged that Dutch language recordings made by Google’s voice assistant are being listened to by third parties.