rebase from live enviornment

wp/mu-plugins/security-headers.php

@@ -0,0 +1,28 @@
+<?php
+/*
+Plugin Name: Security Headers
+Plugin URI: https://www.medicalalert.com
+Description: Add security headers
+Author: Connect America
+Version: 0.1
+Author URI: https://www.medicalalert.com
+*/
+
+add_action('send_headers', function(){
+    // Upgrade HTTP requests to secure HTTPS
+    header("Content-Security-Policy: upgrade-insecure-requests;");
+    // Enforce the use of HTTPS
+    header("Strict-Transport-Security: max-age=31536000; includeSubDomains");
+    // Prevent Clickjacking
+    header("X-Frame-Options: SAMEORIGIN");
+    // Block Access If XSS Attack Is Suspected
+    header("X-XSS-Protection: 1; mode=block");
+    // Prevent MIME-Type Sniffing
+    header("X-Content-Type-Options: nosniff");
+    // Referrer Policy
+    header("Referrer-Policy: no-referrer-when-downgrade");
+}, 1);
+
+
+
+