Winning a bidding war against database giant infoUSA, Stephen T. Dunn, president/CEO of Mal Dunn, has secured the assets of the company for more than $4 million. Dunn, under the company name Dunn Data Co., has agreed to a $3.6 million mortgage, a $250,000 cash payment, the forgiving of a $600,000 loan to Mal Dunn and various other considerations.