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Mixed
Outline
bitsies!
Key, Access, password
Black
512x512
iOS7 optimized
Glyph
Miu
safety, stroke, Protection
private, Protection, safety
locked, protect, security
security, secure, protect
PNG ICO ICNS MORE
Mobile apps
Handdrawn
Web - Watercolour
login, password, Lock
Social media
E-commerce
round, password, pass
password, pass, linecon
UI
Freeline
login, secret, Lock
Network & communications
Iconico
Code, password, locked
1024x1024
Flat
WHSR January Flaticon Set
Key, password
Linecons Free – Vector Icons Pack
password, Lock, security
Lock, secure, password
Gaming & gambling
3D
Free Game Icons
privacy, locked, Restriction
64x64
Unlock, open, hack
secure, Authentication, password
Antivirus, locked, secure
login, secrecy, Golden
Avatars & smileys
Free Large Boss Icon Set
stupid, strong, power
shiled, stupid, strong
Photography & graphic design
32x32 Free Design Icons
locked, Key, secure
32x32
Key, password, login
Photorealistic
48x48 Free Object Icons
locked, Hide, login
48x48
security, privacy, Restriction