[Security for your PC based on a ring worn by the authorised user](http://www.engadget.com/2007/07/20/security-ring-denies-intruders-when-youre-away/).
// Quickhit
[Security for your PC based on a ring worn by the authorised user](http://www.engadget.com/2007/07/20/security-ring-denies-intruders-when-youre-away/).