back door

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Back Door

1. In business, a slang term describing something unethical. It may also describe the action of circumventing a problem in an unusual (but still ethical) way.

2. Any way to access a computer system other than logging in or using "normal" channels. Programmers often put back doors into their programs, or a hacker may create one.

3. See: Back-Door Listing.

back door

the informal mechanism whereby the BANK OF ENGLAND buys back previously issued TREASURY BILLS in the DISCOUNT MARKET at their ruling market price in order to release money to help the DISCOUNT HOUSES overcome temporary liquidity shortages. This is done as a means of increasing the liquid funds available not only to the discount houses themselves but also to the COMMERCIAL BANKS at prevailing interest rates to enable them to maintain their lending. Compare FRONT DOOR.