PNG ICO ICNS MORE
Mixed
Smooth
Angular UI
secure, Unlocked, Lock
DarkSlateBlue
512x512
PNG ICO ICNS SVG MORE
Tango Icon Library
Lock, screen, system
Black
Vista Inspirate
Lock, File, secure
WhiteSmoke
128x128
Bremen
Lock
DimGray
32x32
Toolbar icon set
LightSlateGray
On-stage
Khaki
Bunch of Bluish Icons
Juicy Fruit
256x256
Simplicio
lock and security, security, Lock
Goldenrod
Copenhagen
Safe, secure, Lock
Peru
64x64
Scrap
Gold
Carpelinx
password, secure, Lock
DarkGray
File, Lock
secure, Lock, File
Silver