CASsystemer
CASsystemer, or Central Authentication Service systems, are identity and access management solutions that provide single sign-on across multiple applications. In a CAS deployment, a user authenticates once to a central CAS server and can access all registered services without re-entering credentials.
The Central Authentication Service originated in the early 2000s at Yale University and has evolved into an
Core workflow: A user attempting to open a protected service is redirected to the CAS login page.
Architecture and capabilities: A CAS setup typically includes a CAS server, a ticket registry (for tickets such
Usage and security: CAS systems are common in universities and research institutions to centralize authentication and