# Code-LLM Safety: Secret Leak Memorization Probe + License-Tainted Code Filter

> Source: https://sukruyusufkaya.com/learn/fine-tuning-cookbook/ftc-code-llm-safety-secret-leak
> Updated: 2026-08-13T22:09:43.057Z
> Category: Fine-Tuning Cookbook (Model-by-Model)
> Module: Part VIII — Code Models & Repo-Level FT
**TLDR:** Code LLM'ler eğitim verilerinden **API key, password, SSH private key** ezberleyebilir → production'da leak. Tespit: memorization probe (training set'ten random snippet → model devam ettiriyor mu?), license-tainted code (GPL etkili viral) filtering. BigCode StarCoder leak incident dersi.