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Protection; assurance; indemnification.
The term security is usually applied to a deposit, lien, or mortgage voluntarily given by a debtor to a creditor to guarantee payment of a debt. Security furnishes the creditor with a resource to be sold or possessed in case of the debtor's failure to meet his or her financial obligation. In addition, a person who becomes a surety for another is sometimes referred to as a "security."
SECURITY. That which renders a matter sure; an instrument which renders certain the performance of a contract. The term is also sometimes applied to designate a person who becomes the surety for another, or who engages himself for the performance of another's contract. See 3 Blackf. R. 431.