Enhanced Security: Blocking .env Files in Claude Code Development

product#llm📝 Blog|Analyzed: Feb 20, 2026 10:45
Published: Feb 20, 2026 10:35
1 min read
Qiita AI

Analysis

This article details a crucial security step for developers using Claude Code, providing a method to prevent the Large Language Model (LLM) from accessing sensitive environment variables stored in .env files. By implementing a specific configuration, developers can safeguard against unintended exposure of API keys and other confidential information, increasing the security of their projects. This proactive approach underscores the importance of securing sensitive data within Generative AI development.
Reference / Citation
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"The solution involves creating a .claude/settings.json file in the project root and denying file access with permissions.deny."
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Qiita AIFeb 20, 2026 10:35
* Cited for critical analysis under Article 32.