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Glyph
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secure, security, police
Black
512x512
Mixed
Unique-Round-Blue
Unlock, password, Safe
DeepSkyBlue
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Mobile apps
app types in grey
Safe, security, secure
DarkSlateGray
UI
Google Material Design icons
security
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Internet and web
Guard, safety, protect
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Social media
Smooth
Icocentre Free Icons
security, shield
Khaki
433x512
Computer & hardware
Line icons for UI & more
web design, safe privacy, ui
Flat
Stash
Protection, secure, shield
DimGray
iOS 7 Style - Metro UI Icons
Metroui, microsoft, security
CornflowerBlue
denied, security, Metroui
Crimson
Approved, Metroui, security
ForestGreen
security, Metroui
RoyalBlue
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banking, payment, mastercard
Travel & hotels
Meanicons
security, Camera, meanicons
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Education & science
Handdrawn
Brainy Icons Free — 36 Science and Education Icons
Man, privacy, Avatar
64x64
Signs & symbols
Two Tone Design Set
Unlock, password, security
Chocolate
128x128
security, secure, password
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password, Lock, security
Gaming & gambling
3D
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Antivirus, Pest, spider
privacy, locked, Restriction
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Antivirus, locked, secure
protect, secure, security
Free Large Boss Icon Set
police officer, Officer, Captain