Why an integrity company.
Regulated organisations must prove, every day, that nothing on their servers changed without permission. The tools they had either drowned them in alerts or asked them to trust a dashboard.
We started from the other end: read every file by content, decide what is legitimate, and keep evidence that stands on its own. That became Zero Door.
The research side never stopped. Red team work, reverse engineering and field notes feed the product, and the product feeds the research.