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Snowish
Lockscreen, privacy, locked
LightGray
128x128
locked, Lock, security
Oxygen
Key, locked, Kopete
48x48
Nuove
locked, security, Lock
iMacOS
Alt, Lock, locked
32x32
security, locked, Lock
security, Alt, Lock
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Files & folders
Pixel
ExplodingBoy Pixel Icons
Lock
20x20
UI
Smooth
security, private, Lock
Network & communications
Lock, Unlock, password
Keys, password, Lock
Mixed
3D
security, Lock, padlock