A method, a processing device, and a computer program product are provided. An initial state of a message is captured by at least one processing device. At least one external reference from the message is extracted by the least one processing device. The at least one external reference is analyzed to establish a baseline state of the message. A state of the message is monitored with respect to the baseline state of the message. A visibility of the message is changed based on detecting changes in relation to the baseline state of the message.