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Desktop apps
Pixel
Sizicons
red, security
IndianRed
16x16
security, Orange
SandyBrown
Business & finance
Glyph
Wireframe mono icons
Closed, Fixed, Lock
Black
48x48
3D
Vista General Icons
security, privacy, Lock
256x256
Family & home
Brilliant
security
400x400
Real Vista 2
Agent, security, policies
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UI
Drifting
security, settings
64x64
Computer & hardware
Sweetie BasePack
Key, security
Peru
open, Lock, security
DarkGray
security, Lock
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24x24
Lock, security
security, Lock, open
Smooth
Ginux
Protection, shield, security
DimGray
Free Applications Icons
Lock, clef, private
Log in, private, password
Key, private, login
Protection, secured, private
Unlocked, password, Protection
Phuzion
128x128
Music & multimedia
Soft Icons
Sienna
Human o2
locked, Folder, Orange
DarkGoldenrod
thick, high, security
Green
shield, Breach, security
DarkRed