This is an image of a circle. Inside of the circle is a padlock shape that has a rectangular keyhole in its center. Going across the padlock are three horizontal lines.
This Keepass icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,500 icons, all in the same style and quality.