Hudachko said a "configuration error" at the state technology services level allowed the hacker or hackers to circumvent the security system.
"DTS has processes in place to ensure the state's data is secure, but this particular server was not configured to normal procedure," he said.
"DTS has identified where this breakdown occurred and has implemented new processes to ensure this type of breach will not happen again."
Stephen Fletcher, executive director of the Utah Department of Technology Services, said the ongoing investigation into the breach suggests the server was infiltrated from outside of state government.
"All of the forensics investigation we have uncovered thus far, we believe it was done from the outside, not the inside," Fletcher said.
The review of the data is ongoing, but Fletcher said state officials believe the number of possible victims released Monday is final.
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