The basic purpose of this article is to know about applications of biometric security. Though the period biometric technology may noise difficult and threatening, in major, applications of the technology are easy and incredibly sensible. One require not know all the technological jargon to know how to apply their fingerprint to a tool to gain access. Protecting data or personal information is frequently left up to the person. This would prevent governments or business organizations which are mandated or obligatory to defend your personal information similar to credit cards, insurance or other information held in vast computer data banks.