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Files & folders
3D
Soda Red
soda, Key, red
Black
512x512
Gaming & gambling
Free Game Icons
secure, Authentication, password
64x64
Photography & graphic design
32x32 Free Design Icons
locked, Key, secure
32x32
Key, password, login
Mixed
Momentum Glossy icons
Add, Key
Key, Go
delete, Key
Key
Business & finance
Refresh CL
256x256
Security
Secure icons
Unlock, private, secure
Super Vista
Foreign, Key
400x400
Signs & symbols
Must Have
Key, password
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Desktop apps
Free Applications Icons
Lock, clef, private
24x24
Log in, private, password
Key, private, login
Unlocked, password, Protection
Computer & hardware
Human o2
Key, security, keychain
128x128
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Isoglass
UI
Nuvola
Bindings, Key
pass, Key, secure