Shift Left Home Cybersecurity Dictionary Shift Left In the world of software application development, “shift-left” is a concept that promotes the value of integrating security into the software development lifecycle as early as possible. In other words, security testing should be moved “left” in the development timeline, thereby identifying and fixing defects early on when they are easier and more cost effective to address. Related TermsDevOpsDevSecOpsSDLC - Software Development LifecycleDAST - Dynamic Application Security TestingSAST - Static Application Security TestingIAST - Interactive Application Security Testing Share: Seeking Clarity? View the Cybersecurity Dictionary for top terms searched by your peers. Back to the Dictionary How Can We Help? Let us know what you need, and we will have an Optiv professional contact you shortly.