Meta’s AI detector can’t catch its own cropped fakes

Meta introduced an AI image detector designed to identify images generated by its Muse Image model, using an invisible watermark called Content Seal. However, Reuters found that cropping these images caused the detector to miss over half of them, revealing a limitation in the watermark's robustness against common edits. Meta acknowledged the detector is still in preview and that heavy cropping can remove the watermark signal, highlighting challenges faced industry-wide in reliably detecting AI-s