From their website, it is the ID verification service. That particular report would not be a consumer report, pulling from public databases, but only that particular report. The actual credit report would be a consumer report.
"A real-time resource for ID verification and fraud detection, Authentication/Cross Check reports provide concise information in an easy to interpret, color-coded format.
Identify Red Flags
Validate Name, Address, SSN, DOB & Phone Number
Check Multiple Watch Lists (including OFAC)
Detect High Risk Address
Confirm SSA Issuance & SSA Death Master"