PNG ICO ICNS MORE
Gaming & gambling
3D
Free Game Icons
Armour, Protection, helm
Black
64x64
privacy, locked, Restriction
Antivirus, locked, secure
protect, secure, security
Avatars & smileys
Free Large Boss Icon Set
police officer, Officer, Captain
512x512
shield, Protection, police
stupid, strong, power
shiled, stupid, strong
knight, horseman, king
Photography & graphic design
32x32 Free Design Icons
locked, Key, secure
32x32
Key, password, login
Mixed
Bright
Protection, shield, red
Business & finance
Sunny Day
Protection
400x400
Super Vista
PNG MORE
UI
Crystal Office Collection
24, Protection
24x24
Vista Style Base Software
Protection, Antivirus, green
256x256
Protection, shield, Antivirus
Desktop apps
Free Applications Icons
Protection, secured, private
Unlocked, password, Protection
