PNG ICO ICNS MORE
Desktop apps
Smooth
Farm-fresh
Lock, Add
Black
32x32
delete, Lock
Lock, Break
Edit, Lock
Lock, Go
mail, Lock, open
Goldenrod
UI
Pixel
WooFunction Icon set
Lock
DarkGray
open, Lock
Mac OS X style
Lock, secure, private
512x512
Flat
2experts free icons set
DarkSlateGray
48x48
PNG MORE
Tiny icons
DarkGoldenrod
10x10
22 e107-Bubbles
Admin, Lock
Gray
30x30
Fugue Icons
Lock, Arrow
16x16
Lock, exclamation
Minus, Lock
Lock, pencil
Lock, plus
Unlock, Lock
Elegant Blue Web
Lock, secure, privacy
SteelBlue
64x64
Computer & hardware
Sweetie BasePack
open, Lock, security
security, Lock
Lock, security
24x24
security, Lock, open