PNG ICO ICNS MORE
UI
Pixel
Berlin
Lock
Gray
32x32
3D
Gnome Web Icons
system, Lock, Gnome
DarkSlateGray
Gnome, Lock, system
48x48
PNG ICO MORE
Gnome, screen, 64
64x64
PNG MORE
Crystal Office Collection
24, Lock
Black
24x24
Smooth
Corner Stone
secure, Lock
Silver
SandyBrown
MicrOS
Tan
PC 100 Icon Pack
DarkOrange
Snowish
security, private, Lock
LightGray
128x128
Lock, secure, Safe
WhiteSmoke
Glyph
Token
Lock, Closed, private
WooFunction Icon set
DarkGray
open, Lock
Tiny icons
DarkGoldenrod
10x10
Fugue Icons
Lock, Arrow
16x16
Lock, exclamation
Minus, Lock
Lock, pencil
Lock, plus
Unlock, Lock
Elegant Blue Web
Lock, secure, privacy
SteelBlue
Lynx Black
screen, Lock, system