Generate a cloud security system logo. The logo should consist of multiple points and several lines, resembling a scaled-down version of the nodes and connections in a graph database. The points and lines should have aesthetic appeal—not overly simplistic like two parallel lines—but should not be overly complex. Use no more than four lines and two layers: the lower layer is an abstract cloud, and the upper layer features points and lines in the bottom-right corner. Ensure the design is minimalist and flat in style