Generating an update status alert in a device

A method for generating an update status alert at a receiving device, the receiving device operating in a network of participating devices, each participating device broadcasting status information about a monitored entity associated with a respective participating device, the method comprising the steps of: receiving broadcast status information from each of the participating devices; aggregating the received status information to derive a consensus of the status information received from each of the participating devices; comparing the derived consensus with the status of the monitored entity of the receiving device; detecting a difference between the derived consensus and the status of the monitored entity; and in dependence of a difference being determined, generating an update status alert at the receiving device.