PNG MORE
Desktop apps
3D
Free Applications Icons
Protection, secured, private
Black
24x24
warning, ban, Block
Unlocked, password, Protection
PNG ICO ICNS MORE
Computer & hardware
Human o2
Key, security, keychain
128x128
Family & home
Cartoon
Kids
locked, Folder
File, locked
Smooth
Crystal Project
Folder, locked
256x256
UI
Nuvola