PNG ICO ICNS SVG MORE
Signs & symbols
Glyph
Web UI
Safe, Circle, privacy
Black
512x512
Web UI color
green, Lock, secure
LightSeaGreen
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Buttons
Block, ban, Adware
Firebrick
Computer & hardware
Database Management
Database, Hosting, Server
DimGray
Mixed
Simple files
Lock, secure, privacy
Amenities - Solid
Lock, security, secure
iOS7 optimized
Miu
safety, stroke, Protection
locked, protect, security
security, secure, protect
PNG SVG MORE
Social Messaging & Productivity Mix Icons
handrawn, safety, open
501x512
handrawn, files, documents
Avatars & smileys
Users. Android L (Lollipop)
secure, security, police
UI
Very Basic. Android L (Lollipop)
secure, protect, Key
Unique-Round-Blue
Unlock, password, Safe
DeepSkyBlue
Material Core
Lock, https, secure
356x512
Closed, secure, Lock
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Mobile apps
app types in grey
Safe, security, secure
DarkSlateGray
WPZOOM Developer Icon Set
secure, Lock, Closed
Business & finance
Gentle Edges Icon Set
Lock, secure
128x128
secure, Unlocked
Pittogrammi
Key, secure
Flat UI Icons Free
Unlock, password, secure
Desktop apps
16x16 Free Toolbar Icons
password, Close, secrecy
16x16
unsecured, Access, Broken
