Impersonation is different from ordinary content piracy. Instead of copying your content, impersonators create fake accounts or fake content that pretends to be you. That can divert fans and money to scammers and damage your reputation if people can't tell what's real.
Detection typically combines reverse image search to find your photos used on other profiles, searches for your name and handles across platforms, and, for synthetic content, deepfake detection techniques.
When an impersonating account is found, the main route is the platform's own impersonation reporting process. Where an impersonator is using your actual photos or videos, a copyright notice can also apply. Deepfakes that don't use your original footage usually need other routes, such as platform policies on synthetic or non-consensual content. Privly helps creators find and report impersonation as part of its protection service.