Cloud cameras are any form of cameras that can record to a remote CCTV Cloud server. Read about some examples of these cameras and how they work from a 2013 COMPUTERWORLD article. The cloud security cameras mentioned here are the D-Link Day/Night Network Cloud Camera (DCS-932L), the Dropcam HD, the Logitech Alert 750n Indoor Master System, the Netgear VueZone Video Monitoring System and the Samsung SNH-1011 IP SmartCam.
Link: http://www.computerworld.com/article/2497864/cloud-security/cloud-security-keep-watch-5-cloud-security-cameras.html