security

Definition 1

General: Prevention of and protection against assault, damage, fire, fraud, invasion of privacy, theft, unlawful entry, and other such occurrences caused by deliberate action. See also safety.

Definition 2

Computing: Extent to which a computer system is protected data corruption, destruction, interception, loss, or unauthorized access. See also secure system.

Definition 3

Finance: Financing or investment instrument (which may or may not be a negotiable instrument) issued by a firm or government agency which denotes an ownership interest and provides evidence of a debt, a right to share in the earnings of the issuer, or a right in the distribution of a property. Securities include bonds, debentures, notes, options, shares (stocks), and warrants but not insurance policies, and may be traded in financial markets such as stock exchanges.

Definition 4

Pledging: Asset(s) pledged to guaranty the repayment of a loan, satisfaction of an obligation, or in compliance of an agreement. Security gives a lender or obligee a legal right of access to the pledged asset(s) and to take their possession and title in case of default for a foreclosure sale.