Accel-KKR-backed Entersekt, a financial authentication company, completed the acquisition of 3-D Secure Payment Solutions from Modirum, a digital payment security provider. Financial terms were not disclosed. “The combined capabilities of Entersekt and Modirum will allow us to offer a wider set of solutions and provide our customers with more data sources to use when protecting against fraud,” Schalk Nolte, Entersekt Co-Founder and CEO.