diff --git a/freebsd/12_post-installation.md b/freebsd/12_post-installation.md
index 7aa525c..4a30220 100644
--- a/freebsd/12_post-installation.md
+++ b/freebsd/12_post-installation.md
@@ -13,3 +13,15 @@ pkg bootstrap
 pkg update
 pkg upgrade
 ```
+
+### 2. Security Hardening
+
+#### SSH
+
+Edit /etc/ssh/sshd_config:
+
+``` sh
+PermitRootLogin no
+PasswordAuthentication no
+PubkeyAuthentication yes
+```