Semantic watermark forgery. The attacker can transfer the watermark from a watermarked reference image requested by Alice (here: the diving cat) into any cover image (here: the moon landing). The obtained image will be detected as watermarked and attributed to Alice by the service provider, eroding the trust in watermark-based detection and attribution of AI-generated content. Credit: arXiv (2024). DOI: 10.48550/arxiv.2412.03283 Images generated by artific