The universal icon for Windows Defender, security checked. The shape of an old medieval shield, a point at the bottom, curving outward and upward on either side, then making and angle and curving back toward the point at the top. There's a check mark in the middle.
Related to Protect Icon
Related icons are the icons with matching tags, as well as all security icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors