The crackdown was the result of an investigation that unfolded in recent months conducted by Equifax employees, including HR and cybersecurity, according to a document seen by Insider.
The product has employment records, including weekly pay, of 105 million US workers, according to the company's last annual report.
At one point, 25 employees were interviewed on the investigation's findings, and 24 were terminated, resulting in savings of $3.2 million, according to a document.
In one author's case, this included all salaried positions since graduating college in 2013, as well as a job working in the college library as a student.
"With predictions of more than 36 million employees working remotely by the year 2025, the need to monitor an employee's employment status will continue to grow," the company says in marketing material.