Private LLMs vs OpenAI API: The Enterprise Security Case

Sat, 28 Feb 2026 00:00:00 +0000

In 2023, Samsung employees leaked proprietary source code by pasting it into ChatGPT. The incident is now a standard case study in enterprise AI risk. Two years later, most large European companies have an AI usage policy. Very few have an AI architecture that actually enforces it.

The fundamental problem: cloud LLM APIs process your data on infrastructure you do not control, governed by terms of service that change, subject to regulatory jurisdictions that may not align with your compliance obligations.

EU AI Act on PROTISEC — AI-Powered Enterprise Cybersecurity

Private LLMs vs OpenAI API: The Enterprise Security Case