ghost/admin/public/assets/icons/lock.svg
<svg xmlns="http://www.w3.org/2000/svg" stroke-width="1.5" viewBox="0 0 24 24">
<title>lock</title>
<rect width="16.5" height="13.5" x="3.75" y="9.75" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" rx="1.5" ry="1.5"/>
<path fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" d="M6.75 9.75V6a5.25 5.25 0 0 1 10.5 0v3.75M12 15v3"/>
</svg>