PNG ICO ICNS MORE
Gaming & gambling
3D
Free Game Icons
privacy, locked, Restriction
Black
64x64
Antivirus, locked, secure
Photography & graphic design
32x32 Free Design Icons
Key, password, login
32x32
Business & finance
Vista General Icons
security, privacy, Lock
256x256
Real Vista 2
privacy
400x400
Computer & hardware
Human o2
security, Lock, Keyring
DimGray
128x128
Mixed
Flavour Extended
secure, Lock, private
Goldenrod
48x48