What is OWASP LLM10 (2023) Model Theft?
Model theft covered stealing or distilling proprietary LLMs - weights, architectures, or fine-tunes - through API abuse or insider access.
What this looks like in production
Dropped from the 2025 Top 10 in favor of LLM10 Unbounded Consumption, though theft and provenance remain concerns under LLM03 Supply Chain.