An Amazon listing hijacking is what happens when another seller claims to offer the same product as you. Owner adds their product to your listing, so buyers can see you can find multiple sellers. However, one other seller is obviously offering a cheap, counterfeit version of one's item.If another seller is managing to win the Buy Box for the private-label product, that suggests you have a hijacker. And if you notice shoppers posting how to report hijacker on amazon negative reviews with complaints that don't match the actual product, that is a clear sign that they're receiving a bogus version.