Unified Logging is Logging as a Service (LaaS). This plugin taps into php logging and sends the logging information to Unified Logging (http://www.unifiedlogging.com) so you can be notified if something goes wrong and then can review the messages.
To signup for a free account go to https://portal.unifiedlogging.com/signup/
After signing up visit your profile page (https://portal.unifiedlogging.com/profile/) and retrieve your submission url, access key and secret key then input these into the “Settings” page after the plugin is activated.
More info can be found at: http://blog.unifiedlogging.com/getting-started-with-unified-logging-wordpress-plugin/
Your data is sent over ssl and the secret key is used to create a hash to make sure the data is not tampered with.
NOTE: this plugin may work with earlier versions but has not been tested.