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[Home](/)[Glossary](/glossary)Shift Left[Back to Glossary](/glossary)Shift Left
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A development philosophy of performing tasks earlier in the lifecycle, commonly applied to testing, security, and quality assurance.

development methodologyDevSecOpsshift left

Shift left is a broad development philosophy that advocates moving activities — testing, security, quality assurance, operations concerns — to earlier stages of the software development lifecycle. Originally coined in the context of software testing, the concept has been widely adopted by security (shift-left security) and operations (DevOps) communities. The core insight is that defects and vulnerabilities found later cost exponentially more to fix.

In practice, shifting left means: developers run tests locally before committing, security pentests execute in CI pipelines before merge, infrastructure issues are caught in code review rather than production, and performance testing happens in staging rather than after release. This requires tooling that provides fast feedback, cultural changes that empower developers to own quality and security, and automation that makes these checks frictionless.

How APVISO helps with this: APVISO enables shift-left penetration testing by integrating into CI/CD pipelines and development workflows. Instead of pentesting only in production, teams can run AI-powered security pentests against staging environments on every deployment, catching vulnerabilities at the earliest possible stage.

Related Terms
-------------

[Shift-Left Security](/glossary/shift-left-security)[DevSecOps](/glossary/devsecops)[SAST (Static Application Security Testing)](/glossary/sast)[Continuous Pentesting](/glossary/continuous-pentesting)

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