DEFINITION of 'Warranty'. A type of guarantee that a manufacturer or similar party makes regarding the condition of its product. It also refers to the terms and situations in which repairs or exchanges will be made in the event that the product does not function as originally described or intended. Next Up.
RSA is an algorithm used by modern computers to encrypt and decrypt messages. It is an asymmetric cryptographic algorithm.
Restricted Stock Awards (RSAs). A restricted stock award (RSA) is a form of equity compensation used in stock compensation programs. An RSA is a grant of company stock in which the recipient's rights in the stock are restricted until the shares vest.