Blog · Key Management & Security

Simplifying API Key Management

Practical security insights and product updates from the team building safer, simpler key management for modern APIs.

April 6, 2026 • 8 min read • API Stronghold Team

Your .env File Is Why the Claude Code Attack Worked

The fake Claude Code infostealer didn't need a zero-day. It just read your .env file. Here's every credential type it grabbed and the one architecture change that makes the harvest worthless.

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April 1, 2026 • 8 min read • API Stronghold Team

Stop Opening .env Files While Copilot Is Running

GitHub Copilot uses all open IDE files as context, including your secrets. Here's what gets transmitted, what GitHub's policy covers, and how to lock it down.

github copilot secrets management api security developer security env files

March 27, 2026 • 10 min read • API Stronghold Team

Before April 24: Close Your .env Files and Read This First

GitHub Copilot's new training policy starts April 24. The risk isn't just code, it's the secrets in your open files. Here's a 5-minute checklist to protect your API keys.

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