technical debt. This concept, due to Ward Cunningham, encapsulates the observation that development shortcuts are like debt. Whenever we skimp on documentation, fix a problem with a quick-and-dirty kludge, don’t test a fix thoroughly, fail to build in security controls, or fail to work through the consequences of errors, we’re storing up problems that may have to be repaid with interest in the future (Ross Anderson, "#SecurityEngineering — Third Edition", PDF-Preview 2020-05-16)