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UI
Outline
Freeline
login, secret, Lock
Black
512x512
Watchify v1.0 - 70px
security, Lock, Protection
Glyph
Google Material Design icons
security
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Flat
Metro UI Icon Set
microsoft, security, Essentials
CornflowerBlue
Approved, security
ForestGreen
security, denied
Crimson
RoyalBlue
3D
Momentum Matte icons
IndianRed
32x32
Black and gold
Essentials, microsoft, security
256x256
Gnome Web Icons
security, Gnome, low
SaddleBrown
high, security, Gnome
Gray
medium, Gnome, security
Gnome, security, high
48x48
medium, 48, security
security, 48, low
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64, Gnome, high
64x64
security, medium, 64
security, Gnome, 64
Smooth
Snowish
security, private, Lock
LightGray
128x128
Blue Coral
DeepSkyBlue
Drifting
security, settings
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Pixel
BWPX
WhiteSmoke
18x18
Ecqlipse 2
security, shield
Crystal Clear
password, open, private
Gainsboro