OCSF explained: The shared data language security teams have been missing

The security industry has spent the last year talking about models, copilots, and agents, but a quieter shift is happening one layer below all of that: Vendors are lining up around a shared way to describe security data. The Open Cybersecurity Schema Framework (OCSF), is emerging as one of the strongest candidates for that job.

It gives vendors, enterprises, and practitioners a common way to represent security events, findings, objects, and context. That means less time rewriting field names and custom parsers and more time correlating detections, running analytics, and building workflows that can work across products. In a market where every security team is stitching together endpoint, identity, cloud, SaaS, and AI telemetry, a common infrastructure long felt like a pipe dream, and OCSF now puts it within reach.

OCSF in plain language

OCSF is an open-source framework for cybersecurity schemas. It’s vendor neutral by design and deliberately ...