API security has outgrown traditional AppSec approaches because modern attacks exploit business logic and authorization flaws through legitimate-looking traffic in production, rather than malformed requests. The shift-left strategy alone is insufficient since APIs are continuously deployed, consumed by diverse clients, and abused at runtime in ways that pre-production testing cannot predict. Effective API security requires treating it as a cross-functional business risk with runtime behavioral monitoring, not just a development-phase vulnerability scanning problem. Security leaders must prioritize attack-aware visibility, runtime protection against automation and abuse patterns, and alignment with business impact rather than relying solely on pre-production controls.

7m read timeFrom securityboulevard.com
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Table of contents
How API Security Became an AppSec Problem (and Why That Model Broke)The Modern API Threat Landscape AppSec Was Never Designed to OwnWhy “Shift-Left” Alone Is Not a Strategy for API SecurityAPI Security Is a Business Risk, Not an AppSec FunctionWhat Security Leaders Must Do InsteadThe Road Ahead: APIs, AI, and the Next Expansion of Risk
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