IBM Verify Application Gateway

Overview

Modern authentication for legacy systems

IBM Application Gateway (IAG) is a lightweight secure web reverse proxy that extends IBM Verify and IBM Verify Identity Access protection to any web application. It bridges the gap between cloud and on‑premise apps, delivering consistent authentication for users and simplifying security for legacy environments.

Discover what’s new

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IAM Practitioner's Guide

A practical path to regain control—unifying identities, automating bottlenecks, tightening security without user friction and building an identity layer that truly scales.

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X-Force Threat Intelligence Index 2026

Read our report to learn how attackers are targeting organizations—and what you can do to mitigate those threats with AI.

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Simplifying Identity Security: Insights from IDC MarketScape

The IDC MarketScape 2025 reveals how leaders like IBM are tackling complexity with integrated platforms, automation, and AI-driven threat detection.

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2026 Buyer’s Choice Award winner by TrustRadius Badge with five stars

IBM Verify has been named a 2026 Buyer’s Choice Award winner by TrustRadius.

From identity protection to secure access management, Verify helps organizations keep their people and data safe.

Use cases

Unified application protection

Extend advanced authentication

Extends your modern advanced authentication capabilities, such as Passkeys, to legacy applications with no-code integrations.

Create consistent user experience

Allows enterprises to create a consistent user experience across all applications.

Create integrated user flows

Creates an integrated view of user flows to help reduce risk and improve regulatory compliance.

Seamlessly integrate with identity providers

Works as a product-agnostic and configurable in minutes, seamlessly integrating with all major identity providers.

Include Kubernetes integrations

Includes native Kubernetes integrations for performance, scalability and configuration, and has no additional dependencies.

Easily update legacy applications

Integrates with all major identity providers, including IBM® Verify, Okta, Microsoft® Entra ID, Ping and any compliant OIDC OP, extending modern authentication mechanisms to legacy applications with no code integrations.

Create consistent user experience

With no-code integrations, Application Gateway enables users to log into legacy applications with the same authentication they use for modern applications.

Improved security posture

Easily manage and enforce consistent user policies, comply with changing regulations and gain a holistic view of identities across your enterprise without adding budget or upskilling.