Defense Enterprise Authentication Service
Operated By: Defense Information Systems Agency
The Defense Enterprise Authentication Service (DEAS) provides user and administrative authentication access to US Government applications, content, services and systems.
DEAS Offerings
Get Help with DEAS
Having trouble accessing an enterprise application or Microsoft 365 through DEAS/Global Directory? Your enterprise service center will be able to assist with troubleshooting and access restoral as quickly as possible.
Not sure who that is? Click here for a list of Enterprise Service Centers.