PNG SVG MORE
Mixed
Flat
Shift Free
shield
LightSkyBlue
416x512
PNG ICO ICNS SVG MORE
Handdrawn
Social Messaging & Productivity
shield, open lock, safety
Black
512x512
protect, security, Lock
PNG MORE
UI
Glyph
Blogger
DarkSlateGray
33x40
Unique-Round-Blue
Unlock, password, Safe
DeepSkyBlue
PNG ICO ICNS MORE
Mobile apps
app types in grey
Safe, security, secure
Signs & symbols
Smooth
superhero
shield, Super, hero
400x400
Social media
Icocentre Free Icons
security, shield
Khaki
433x512
Stash
Protection, secure, shield
DimGray
Files & folders
small-n-flat
Error, shield
Silver
warning, shield
Windows 8 metro style
Restriction, shield
shield, refresh
shield, user
question, shield
shield, web
shield, App
iOS7 optimized
Outline
Streamline - Free
streamline, shield, First aid
Pixel
Simply 8-bits #6
Hylian, shield
RoyalBlue
96x96
WPZOOM Developer Icon Set
shield, Antivirus
Gaming & gambling
3D
Free Game Icons
Antivirus, locked, secure
64x64
Avatars & smileys
Free Large Boss Icon Set
police officer, Officer, Captain
