Social platforms and search engines failing to adequately protect users from online fake, fraudulent and scam sellers.
Scam adverts on the biggest online platforms have tricked almost one in ten people into paying out for sham purchases.
Which? surveyed 2,000 people who use social media and search engines, asking them about their experiences of adverts on these platforms.
With 43 million social media users in the UK, Which?’s research results suggest some 3.8 million people may have lost money to a scam advert that appeared in their social media feed.