Last month CyanogenMod unveiled CyanogenMod Account, which allows you to track and wipe your devices. It just past code review and is now included in the latest 10.1 and 10.2 nightlies.
It’s quite simple to add an account. Just go to Settings / Add account / CyanogenMod. You can also go to https://account.cyanogenmod.org/login to find your device and wipe it if need be. Let us know what you think of it.