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Radium
padlock
Black
256x256
Radium Neue
padlock, profile, user
Human, profile, Account
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Signs & symbols
Glyph
Miscellany Web icons
padlock, security, protect
371x512
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Mixed
Free Misc Icon Set 2
Lock, privacy, off
512x512
UI
Outline
Freeline
login, secret, Lock
Entypo
421x512
Gaming & gambling
3D
Free Game Icons
Unlock, open, hack
64x64
Music & multimedia
Smooth
Gakuseisean
padlock, user, Control
iVista 2
Handdrawn
Hand Drawn Web Icon Set
Unlocked, Lock, padlock
128x128
Network & communications
Hosting
login, private, Log in
Security
Secure icons
padlock, Lock, private
Arrows
DefaultIcon ver 0.11
Closed, padlock
open, Unlocked, padlock
Computer & hardware
3D icons
Lock, private, padlock
Business & finance
Wireframe mono icons
padlock, open, Unlocked
48x48
Closed, Fixed, Lock
Travel & hotels
Bags and boxes
security, safety, Lock