Category: Identity & Access Management
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OAuth vs mTLS: Choosing the Right Trust Model
Modern distributed systems rely heavily on APIs and service-to-service communication. Whether it is a mobile app calling a backend, a partner integrating through APIs, or microservices communicating inside a Kubernetes cluster, establishing trust between systems is fundamental to security architecture. Two commonly used trust mechanisms are OAuth (token-based authorization) and mTLS (mutual TLS authentication). While…
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Token Exchange and the Future of Machine Identity
Machine identity is quietly becoming the dominant identity problem on the internet. Not user logins. Not passwords. Not MFA. It’s services, workloads, agents, pipelines, and devices authenticating to other services, at cloud scale, across networks you don’t fully control, with lifetimes measured in seconds. In that world, token exchange is more than an OAuth feature.…
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Is OAuth Enough? Security Limitations in Modern Systems
OAuth has become the backbone of modern authentication and authorization systems. It powers API access, mobile applications, SaaS integrations, service-to-service communication, and identity federation across organizations. It is often treated as a solved problem. It is not. OAuth is a powerful delegation framework, but it is frequently misunderstood, misapplied, or over-trusted. Its flexibility is both…