As the secondhand market grows, the fashion industry spends a lot of time discussing which luxury brands and items are the most lucrative on resale sites, but which brands are the most counterfeited? On Thursday, AI-powered authentication platform Entrupy released its State of the Fake 2026 report, which highlights how common counterfeiting is among various brands and items. An official authenticator for TikTok Shop, Entrupy also works with retailers, secondhand shops and department stores around the world to authenticate handbags, sneakers and apparel using AI that compares more than 90 million images of real and counterfeit products. It authenticated $3.34 billion worth of merchandise last year and boasts a 99.86% accuracy rate. Luxury's Most-Faked Brands Of Entrupy's total luxury authentications for 2025, the vast majority — 91.9% — came back authentic. Louis Vuitton was named the "most-faked" luxury brand, meaning it had the largest volume of "unident...