A security device comprising interfacing means incorporating a speaker (50) and a microphone (49) for interfacing with a person; a mobile network transmitter; an internet communication means; a controller which automatically responds to interaction with said interfacing means and firstly employs said mobile network transmitter to dial one or more predetermined phone numbers through a mobile network for directly establishing a two way communication across the mobile network; wherein said controller secondly employs said internet communication means for transmission through the internet of data captured by said interfacing means.