The secret word (central station passcode) validates that you have authority when speaking with the Central Monitoring Station (CMS) and it is also used to cancel a false alarm. These steps describes how to change your secret word in the Cox Home Security Subscriber portal and on the touchscreen.
Note: Make your Secret Word easy to remember, pronounce and spell. This will ensure your secret word is accepted by the CMS when canceling an alarm. 

• Managing the Secret Word Through the Subscriber Portal
• Managing the Secret Word on the Touchscreen 

To change the secret word, select Security > Emergency Dispatch Setup on the toolbar off the Subscriber Portal homepage.

Result: The Emergency Dispatch Setup page displays.

Click Unlock To View/Edit.

Result: The Account Verification window displays.

Enter the Keypad Master Code.

Result: The current Secret Word (central station passcode) displays.

To change the secret word, select Settings >Advanced Settings>Security Secret Word on the Touchscreen.

Result: The Set Security Secret Word screen displays.

To change the secret word, touch the Secret Word field.

Result: A keyboard displays that enables you to change the secret word.