PNG ICO ICNS MORE
Flat icons
ipod, shield
Silver
256x256
Base Software
Guard, shield, protect
PNG ICO ICNS SVG MORE
Business & finance
Flat
Banking And Finance
secure, Safe, insurance
512x512
Files & folders
small-n-flat
shield
Mixed
3D
Vista Style Base Software
grey, shield
Computer & hardware
Smooth
Futurosoft
shield, Protection
128x128