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Signs & symbols
Smooth
superhero
shield, Super, hero
DarkSlateGray
400x400
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Social media
Icocentre Free Icons
security, shield
Khaki
433x512
Desktop apps
Farm-fresh
cross, shield
Tomato
32x32
Super Mono Basic
Blue, Basic, shield
DodgerBlue
48x48
shield, green, Basic
YellowGreen
red, shield, Basic
Crimson
shield, Basic, yellow
Orange
shield, Add
SandyBrown
shield, delete
shield
shield, Go
Mixed
48px web iconset
DarkGray
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UI
Super Mono Stickers
sticker, shield
64x64
Shopping & e-commerce
Super Mono Reflection
shield, Blue
DeepSkyBlue
green, shield
Black
red, shield
yellow, shield
Photography & graphic design
Weaver Icon Set
128x128
shield, Antivirus, Accept
Green
Computer & hardware
VistaICO Toolbar Icons
256x256
Developer Kit
Protection, shield
DimGray
Ginux
Protection, shield, security
Music & multimedia
Soft Icons
Check, Protection, Antivirus
DarkSeaGreen
Basic Set
CornflowerBlue