Black Box

(redirected from gray box)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.

Black Box

1. Any complex investment strategy or model. In general, a black box involves a computer using complicated formulas to achieve returns in the desired way. Because an investor may not understand the model (and may not be able to do so), a black box can lead to unforeseen problems. See also: Black box syndrome.

2. In Islamic finance, a strategy that allows one to invest funds in a Sharia-compliant way but still link the returns to non-compliant investments. Using a black box is very controversial and some Islamic finance scholars reject it as un-Islamic.
References in periodicals archive ?
Gray box models for example can be used to simulate NOX emissions.
Analysis of the "gray box" versus "black box" integration efforts shows that supplier involvement in technical project assessment is more important in black box efforts than in gray box efforts, while supplier involvement in business project assessment is more important for gray box than for black box efforts.
Meanwhile, Sony has launched a revamped version of PlayStation, planing the boring gray box down to a sleek, white console barely half the original's size and rechristening it the PSone, to differentiate it from its ballyhooed successor, the PlayStation 2.
With graphic design by Marc Atlan for Comme des Garcons, the antiseptic aesthetic of the product, from its austere gray box with prominent bar code to the empirical bluntness of the chunky rectangular bottle and talcum-powder-with-a-frisson-of-nail-polish-remover scent, succeeds by finding within the "undesigned," indexical, informational look of Conceptualism all the constituents for a new chic.
Letters in the gray box will give you the answer to the bonus question.
com and click on "Events" in the gray box for more information.
The required services include conducting- Safety projects that aim may be the development of new IT security structures, or the creation of IT security or contingency plans,- IT risk analysis, which, inter alia, deal with possible attack scenarios on IT networks and IT components or with the handling of security incidents,- IT security audits which examine the status of implementation of predetermined safety requirements or the existing security configurations,- Black-Box and / or white box or gray box penetration testing,- Development of BSI-compliant safety components for IT infrastructure solutions (products and IT services) of ITDZ Berlin,- Security advice and training to the BSI security methodology.