PNG ICO ICNS SVG MORE
UI
Glyph
Very Basic. Android L (Lollipop)
private, Lock, protect
Black
512x512
PNG ICO ICNS MORE
Pixel
Fugue Icons
Not, cross, sign
DarkSlateGray
16x16
Smooth
Snowish
security, private, Lock
LightGray
128x128
Elegant Blue Web
Lock, secure, privacy
SteelBlue
64x64