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@@ -81,6 +81,7 @@ Technology
 
 -	[You Wouldn't Base64 a Password - Cryptography Decoded](https://paragonie.com/blog/2015/08/you-wouldnt-base64-a-password-cryptography-decoded) - A primer on Cryptography for Developers
 -	[How to Protect Your Infrastructure Against the Basic Attacker](http://blog.mailgun.com/security-guide-basic-infrastructure-security/) - A good outline of important security configurations in Linux based systems
+- [Greywall](https://github.com/GreyhavenHQ/greywall) - Deny-by-default command sandbox with filesystem isolation and network control for AI coding agents and CLI tools
 
 Tools
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