Embodiments of the disclosure relate to controlling access to a mobile device with a paired device. Aspects include pairing the paired device with the mobile device and defining a security profile for the mobile device. Aspects also include receiving a user access request for a desired action via the mobile device and determining signal strength between the paired device and the mobile device. Aspects further include executing the desired action based on a determination that the signal strength is greater than a threshold in the security profile for the desired action.