PNG ICO ICNS SVG MORE
Mixed
Glyph
Basic icon element
danger, warning, safety
Black
512x512
Simple files
Lock, secure, privacy
Education & science
Outline
Galaxy
space, universe, sky
Free Misc Icon Set 2
security, safety, on
Mayssam
safety, opened, security
PNG SVG MORE
Essentials
Unlock, password, Protection
377x512
password, Lock, safety
Amenities - Solid
payment, security, credit
security, payment, Protection
iOS7 optimized
Miu
safety, stroke, Protection
private, Protection, safety
locked, protect, security
security, secure, protect
Social media
E-commerce
round, password, pass
password, pass, linecon
UI
Freeline
login, secret, Lock
Social Messaging & Productivity Mix Icons
handrawn, safety, open
501x512
Handdrawn
Social Messaging & Productivity
shield, open lock, safety
PNG ICO ICNS MORE
shopping website
locked, Key, key lock
256x256
WPZOOM Developer Icon Set
safety, support
Avatars & smileys
Cartoon
UltraBUUF
pin, with, grape
Business & finance
3D
Real Vista 2
safety, Box, open
400x400
Sunny Day
open, Box, safety
Computer & hardware
Programmers pack vol. 1
help, safety, Float
128x128