logic bomb

from WordNet (r) 3.0 (2006)
logic bomb
    n 1: a set of instructions inserted into a program that are
         designed to execute (or `explode') if a particular
         condition is satisfied; when exploded it may delete or
         corrupt data, or print a spurious message, or have other
         harmful effects; "a disgruntled employee planted a logic
         bomb" [syn: {logic bomb}, {slag code}]
    
from Jargon File (4.4.4, 14 Aug 2003)
logic bomb
 n.

   Code surreptitiously inserted into an application or OS that causes it
   to perform some destructive or security-compromising activity whenever
   specified conditions are met. Compare {back door}.
    
from The Free On-line Dictionary of Computing (8 July 2008)
logic bomb

   <programming, security> Code surreptitiously inserted into an
   application or {operating system} that causes it to perform
   some destructive or security-compromising activity whenever
   specified conditions are met.

   Compare {back door}.

   [{Jargon File}]

   (1996-07-02)
    

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