Cybersecurity firm Zscaler is probing a claimed data breach by a hacker named IntelBroker.

Zscaler confirms no compromise of customer, production, or corporate environments; only an isolated test server was affected.

The exposed test environment has been deactivated for forensic examination.

Investigations continue after unverified claims of the hacker obtaining US State Department and other government data from Acuity.

Zscaler to release more information as their inquiry into the security incident advances.