PNG ICO ICNS SVG MORE
Mixed
Glyph
Unique-Round-Blue
Unlock, password, Safe
DeepSkyBlue
512x512
Outline
Internet and web
Guard, safety, protect
DarkSlateGray
PNG MORE
Flat
iconsimple (freebies)
Umbrella, weather, forecast
Black
480x512
Stash
Protection, secure, shield
DimGray
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3D
Bright
Protection, Blue, shield
SteelBlue
Protection, shield, red
Protection, shield, green
YellowGreen
Protection, shield
SandyBrown
Super Vista
Protection
400x400
Vista Style Base Software
shield, Antivirus, Protection
RoyalBlue
256x256
Protection, Antivirus, green
Protection, shield, Antivirus