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Mixed
Filled outline
Line color mix Vol.1
Firewall, safety, shield
DimGray
512x512
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Line color mix Vol.2
secure, Protection, security
Black
Flat
Colorful
security, Protection, shield
Gold
Flat Design Icons (Set 1)
Firewall, health, shield
Lavender
Office Vol.2
Guard, Protection, Safe
Gainsboro
Office Vol.3
safety, shield, Guard
Defence, settings, Protection
secure, Protection, protect
Glyph
Locations - Solid
Military, war, shield
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Shift Free
shield
LightSkyBlue
416x512
Handdrawn
Social Messaging & Productivity
shield, open lock, safety
protect, security, Lock
Unique-Round-Blue
Unlock, password, Safe
DeepSkyBlue
Stash
Protection, secure, shield
Pixel
Simply 8-bits #6
Hylian, shield
RoyalBlue
96x96
WPZOOM Developer Icon Set
shield, Antivirus
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3D
Iconza
Antivirus, shield
32x32
IndianRed
Khaki
DarkGray
DarkSeaGreen
DarkSlateGray