What is the best action that a company should take when a mobile device is lost with an active network connection, and a copy of unencrypted confidential data on the device?

A. encrypt the data
B. locate the phone
C. wipe the data
D. lock the phone

C. wipe the data

In the event that a mobile device is lost with unencrypted confidential data on it, the best action for a company to take is to remotely wipe the data from the device. This will help to ensure that the confidential information does not fall into the wrong hands and minimize the risk of a data breach. Additionally, the company should also take steps to encrypt any sensitive data on mobile devices in the future to prevent similar incidents from occurring.