diff --git a/.gitignore b/.gitignore
index bf207be..e61b601 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,22 @@ Thumbs.db
 
 # Local config
 config.local.py
+
+# Secrets and credentials (defensive)
+.env
+.env.*
+!.env.example
+!.env.*.example
+*.pem
+*.key
+id_rsa
+id_rsa.*
+*.ppk
+*.p12
+*.pfx
+secrets.json
+secrets.yaml
+secrets.yml
+*_secret
+*_secrets
+credentials.json