Parents have a range of options for what to do about new threats posed by Internet-connected mobile phones.

The options range from "do nothing" to "fight fire with fire" -- in other words, use technology to combat technological threats.

For example, U.K. carrier Vodafone (the world's second largest after China Mobile) this week rolled out a service called (pronounced BEE-my-low).

Starting at about $6 per month, Bemilo enables parents to monitor and control how their children use mobile phones. The product is a special-purpose SIM card that supports the service.