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Security
Flat
Charity
secure, security, Antivirus
DimGray
512x512
User interface
security, Protection, shield
defense, security, Protection
Design Tools
shield, defense, secure
Business
Business Collection
shield, insurance, Business
secure, defense, security
Tools And Utensils
Police Elements
shield, Protectors, police
Color War Elements
defense, shield, security
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E-commerce
shield
64x64
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Open source icons - gcons
32x32
Siena
protect, security, shield
256x256
Developer Kit
Guard, Protection, shield
128x128
Ginux
shield, security, Guard
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UI
Glyph
Elysium Icons
shield, Jewelry, ruby
24x24
Mixed
Filled outline
Line color mix Vol.1
Firewall, safety, shield
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Computer & hardware
Database Management
Server, Protection, network
Office Vol.3
safety, shield, Guard
secure, Protection, protect
Stash
Protection, secure, shield
gcons
Smooth
Protection, shield
Desktop apps
Protection, shield, security
Shopping & e-commerce
protect, shield