SAMSUNG phones use technology which can spy on what you're reading and watching online – and monitor emails in your inbox.
The phones switch onto spy mode after they are alerted by a "beacon" often embedded in web pages or signals hidden in online adverts.
Jim Killock, Executive Director of Open Rights Group warned that "Samsung want to get to know you – but they are behaving like a peeping Tom".
He added: "Samsung have taken spying on their customers to a whole new level.
"What you can't see, and can't hear, won't worry you — or so it hopes.