Legitimate accounts are being hijacked to post fake reviews – sometimes thousands of them, UK consumer watchdog Which? found in an investigation into tricks sellers have been using to evade Amazon’s onsite review police and fraud detection algorithms. Some of the hacked users were told to delete the reviews themselves when they reported the problem to Amazon. Which? is demanding the e-commerce giant deal with the problem – and calling on regulators to make sure it does.
Amazon sellers are using hacked accounts to award themselves five-star ratings, with one hijacked user posting as many as 2,500 bogus reviews, a consumer watchdog has found, urging regulators to act.