Idea of Secure Cloud Icon
The image is of a cloud. It is flat on the bottom with curves on top to show its fluffy shape. In the center of the cloud there is a keyhole shape, consisting of a bulbous top end with a small narrow extension sticking downward.
This page contains the Secure Cloud vector icon, as well as variations of this icon in different visual styles, and related icons. All icons are in the flat vector style, however, differ by the line thickness, fill, and corner radius.