PNG SVG MORE
Network & communications
Glyph
Cloud Computing
password protect, Key, Lock
DarkSlateGray
512x512
PNG MORE
UI
Blogger
Lock
36x46
PNG ICO ICNS MORE
Mobile apps
app types in grey
Safe, security, secure
Mixed
Iconic
stroke, Lock
384x512
Lock, fill
Windows 8 metro style
Mini icon set Part 1
48x48
Business & finance
Jigsoar
64x64
Duesseldorf
32x32
Lock, private, login