Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Missing Transition Validation (BLA 4) is a subtle but devastating threat. It exploits the sequence of steps in your application's workflow. The flaw? Your application fails to check that Step 2 (Payment) occurred before allowing access to Step 3 (Confirmation). The attacker simply draws a line straight to the goal! This attack is: Difficult to Detect: It uses valid requests in an invalid sequence. Tightly Coupled: It's unique to your application's specific logic. You need deep, sequence-aware runtime protection.

For years, security lists focused on technology (Cloud , Mobile , Serverless ). We desperately needed a list that focused on the core problem: flawed application logic, regardless of the stack. The OWASP Top 10 Business Logic Abuse (BLA) list fills that critical, architectural gap. Why? Because exploitation often happens between technologies, not within them. We must be able to categorize and talk about these intricate logic threats in a technology-agnostic way.

As organizations accelerate adoption of AI agents, autonomous workflows powered by LLMs and MCP servers are rapidly proliferating across internal systems, partner networks, cloud environments, and API gateways. The result? A sprawling, often invisible attack surface: shadow APIs, duplicate endpoints, context drift, unmanaged agent access, inconsistent policies, and risk of data exposure or compliance failures.

The Hacker is Having a Conversation with Your API. There are two kinds of attacks you MUST understand: Stateless (Brute Force): One-and-done, instant gratification. Think SQL Injection. Stateful (Sophisticated): A persistent conversation over time. This is the signature of Business Logic Abuse. Why does this matter? Stateful attacks are executed by sophisticated threat actors who have done their due diligence on your architecture. You must evolve your defenses to monitor the entire session, not just single requests!