Figure out how the AI scrapes the data, and just poison the data source.
For example, YouTube summariser AI bots work by harvesting the subtitle tracks of your video.
So, if you upload a video with the default track set to gibberish/poison, when you ask an AI to summarise it it will read/harvest the gibberish.
Here is a guide in how to do so:


They have and they've explicitly said it's not solved lmao
Mitigating the risk of prompt injections in browser use \ Anthropic - https://www.anthropic.com/research/prompt-injection-defenses