2026 Gartner® Market Guide for Adversarial Exposure Validation
The external attack surface is expanding faster than most security programs can keep up with. Vulnerability management tools generate thousands of findings, but without a way to prove which ones are actually exploitable, teams are left prioritizing based on theory. The Gartner® Market Guide for Adversarial Exposure Validation defines the technology category designed to close that gap: continuous, automated proof that attacks can succeed against your real environment and controls.
Whether you're building a case for continuous validation, evaluating how AEV fits alongside your existing exposure assessment tools, or looking to scale offensive testing without scaling headcount, this report provides the market definition, capability framework, and practical recommendations you need to make an informed decision.
What you'll find in the Gartner® Market Guide for Adversarial Exposure Validation:
- Why AEV is defined as a standalone market category and how it replaces BAS and automated penetration testing
- Three core use cases mapped to specific capabilities: optimizing defense, prioritizing exposures, and scaling offensive testing
- Why AEV is positioned as a key enabler of CTEM, with Gartner projecting that by 2029, 60% of organizations will have adopted a structured exposure validation practice as part of CTEM.







