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Mixed
Outline
Mini icon set - General / Office
Open Padlock, Unlocking, unlock padlock
Black
512x512
Miscellaneous
miscellaneous, Lock, Key
Unlock, secure, Lock
miscellaneous, Unlock, security
secure, security, miscellaneous
Thin Line Icons for SEO and Development
Unlock, open, password
Glyph
Free Misc Icon Set 2
Lock, privacy, off
Flat
Flat Design Icons (Set 2)
Unlock, Safe, Lock
Lavender
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Office Vol.2
password, Unlock, login
IndianRed
Office Vol.3
login, locked, Approved
DimGray
password, unprotected, login
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Essentials
Unlock, password, Protection
377x512
bitsies!
Key, Access, password
Handdrawn
Social Messaging & Productivity
shield, open lock, safety
protect, security, Lock
Very Basic 2. Android L (Lollipop)
Unlock
Unique-Round-Blue
Unlock, password, Safe
DeepSkyBlue
Linecons Free – Vector Icons Pack
password, Lock, security
Iconic
stroke, Unlock
DarkSlateGray
384x512
fill, Unlock
Pittogrammi
Unlock, Lock
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3D
Iconza
32x32
Lock, Unlock