SCOTTSDALE, Ariz.--(BUSINESS WIRE)--Early Warning, a trusted leader in fraud prevention and risk management, announced today that it has signed a definitive agreement to acquire Authentify Inc. Founded in 1999, Authentify is a worldwide leader in phone-based, multi-factor authentication solutions. It currently serves more than 1,200 financial institutions and e-commerce companies. Upon closing, this acquisition will enable Early Warning to offer organizations digital multi-factor authentication