Expense monitoring and auditing specialist Oversight Systems has extended its spend tracking service to fleet cards, enabling managers to detect fraudulent purchases and misuse connected with such cards. The company's artificial intelligence-powered solution already was available for T&E cards and purchasing cards; the expansion to fleet cards was driven by demand from existing customers to extend monitoring capabilities to that sector. "Fleet card programs can be multimillion-dollar exposure points for organizations with large mobile workforces," CEO Terrence McCrossan said, adding that one-off misuse and suspicious spending patterns often go undetected by in-house audit processes. To close that gap, Oversight analyzes all card transactions, applying proprietary analytics to detect suspicious activity based on an organization's distinct risk profile and purchasing patterns, according to the company.