PNG ICO ICNS MORE
UI
Pixel
Blueberry
protect, on, shield
OliveDrab
32x32
protect, shield, off
OrangeRed
Fugue Icons
shield, exclamation, frame
Black
16x16
shield, exclamation
Goldenrod
Information, shield
RoyalBlue
Minus, shield
DarkRed
plus, shield
Green
question, shield
DarkSlateGray
Arrow, shield
pencil, shield
tick, shield, ok
shield, cross
shield, Minus
shield, Arrow
shield, plus
disable, shield
DarkGray