Try Shutterstock and Get 10 Free Images
Numerical code lock. Doodle style
Secure metal lock with numeric code and blue shiny corpus isolated cartoon flat vector illustration on white background. Reliable protection from unnecessary entrance for all kind of premises.
Here is useful Security and Protection icons. Hope you can find great use for them in web protection, protection shield, security. You will find it better than what you expect.
Silver and gray digital security lock with keypad