This is known as a digital watermark, which falls within the domain of adversarial machine learning. https://www.sec.cs.tu-bs.de/pubs/2018-eurosp.pdf https://w

This is known as a digital watermark, which falls within the domain of adversarial machine learning. https://www.sec.cs.tu-bs.de/pubs/2018-eurosp.pdf https://www.sec.cs.tu-bs.de/pubs/2018-eurosp.pdf