PNG ICO ICNS MORE
Computer & hardware
Pixel
ASP.NET icons
security
Gold
16x16
Edit, security
Khaki
Desktop apps
Circular
Closed, security, padlock
Shopping & e-commerce
Smooth
Siena
green, security
DarkKhaki
256x256
Blue, security
SkyBlue
security, red
Chocolate
yellow, security
DimGray
Unlock, security
Black
Mixed
DRF
security, safety, secure
32x32
KDE Crystal Diamond
File, locked, secure
Snow
128x128
3D
Nuove
security, Lock, padlock
LightGray
locked, security, Folder
BurlyWood
UI
Crystal Clear
password, open, private
Gainsboro
Mini
Goldenrod
list, security
PowderBlue
security, Page