diff --git a/main.py b/main.py
index 522cfb5..4ee7d44 100644
--- a/main.py
+++ b/main.py
@@ -58,6 +58,8 @@ doorID = config.get('Setup', 'doorID')
 gotAaguid = None
 GPIO.setmode(GPIO.BCM)
 
+secLevel = 0
+
 greenLed = 14
 redLed = 4
 
@@ -96,6 +98,8 @@ class CliInteraction(UserInteraction):
         print("User Verification required.")
         return True
 
+
+
 while True:
 
     GPIO.output(door, GPIO.LOW)
@@ -231,6 +235,77 @@ while True:
         )
 
         print("Credential authenticated!")
+        print("CLIENT DATA:", result.client_data)
+        print()
+        print("AUTH DATA:", result.authenticator_data)
+        # GPIO.output(14, GPIO.LOW)
+
+        conn = None
+        try:
+            # Connect to the PostgreSQL server
+            conn = psycopg2.connect(dbname=dbname, user=user, password=password, host=host)
+            cur = conn.cursor()
+            select_query = '''
+                    SELECT sec_level
+                    FROM users
+                    WHERE "user_id" = %s;
+                    '''
+            # Execute the SQL query
+            cur.execute(select_query, (result[1]))
+
+            # Fetch the results
+            result = None
+            result = cur.fetchone()
+            if result:
+                userSecLevel = result[0]
+
+            else:
+                badCred()
+                raise Exception
+
+            # Close communication with the database
+            cur.close()
+        except (Exception, psycopg2.DatabaseError) as error:
+            print(error)
+            raise Exception
+        finally:
+            if conn is not None:
+                conn.close()
+
+        conn = None
+        try:
+            # Connect to the PostgreSQL server
+            conn = psycopg2.connect(dbname=dbname, user=user, password=password, host=host)
+            cur = conn.cursor()
+            select_query = '''
+                    SELECT sec_level
+                    FROM door
+                    WHERE "door_id" = %s;
+                    '''
+            # Execute the SQL query
+            cur.execute(select_query, (doorID))
+
+            # Fetch the results
+            result = None
+            result = cur.fetchone()
+            if result:
+                doorSecLevel = result[0]
+
+            else:
+                badCred()
+                raise Exception
+
+            # Close communication with the database
+            cur.close()
+        except (Exception, psycopg2.DatabaseError) as error:
+            print(error)
+            raise Exception
+        finally:
+            if conn is not None:
+                conn.close()
+
+        if doorSecLevel < userSecLevel:
+            raise Exception
 
         GPIO.output(redLed, GPIO.LOW)
         for i in range(2):
@@ -244,10 +319,6 @@ while True:
         time.sleep(5)
         GPIO.output(greenLed, GPIO.LOW)
 
-        print("CLIENT DATA:", result.client_data)
-        print()
-        print("AUTH DATA:", result.authenticator_data)
-        # GPIO.output(14, GPIO.LOW)
 
     except Exception as e:
         print("Authentication Failed!")