PNG ICO ICNS MORE
Travel & hotels
3D
Travel Icons
shield, swords
DarkGray
256x256
Photography & graphic design
Smooth
Weaver Icon Set
shield
DarkSlateGray
128x128
shield, Antivirus, Accept
Green
Computer & hardware
VistaICO Toolbar Icons
Black
Mixed
Vista Style Base Software
shield, green, Protected
shield, Antivirus, Protection
RoyalBlue
Protection, Antivirus, green
grey, shield
Silver
Protection, shield, Antivirus
grey, warning, shield
UI
Developer Kit
Protection, shield
DimGray
Handdrawn
Web Design Creatives
The Spherical icon set
shield, globe
MidnightBlue
Pixel
Fugue Icons
shield, exclamation, frame
16x16
shield, exclamation
Goldenrod
Information, shield
Minus, shield
DarkRed
plus, shield
question, shield
Arrow, shield
pencil, shield