Symmetrical top shot of a photorealistic cyber security shield of crystal, with subtle rainbow light shining from the top. The background color is black and white, creating an overall dark atmosphere. It has high resolution and detailed details. In close range, there's a glowing effect. The artwork was created in the style of unreal engine rendering, blender, and movie lighting. It features a 3D model with high definition, quality, and detail. --ar 16:9