This document discusses markers of success for FinTech attackers and imperatives for banks in response to the FinTech threat. It finds that while banks still have advantages like regulation and credit issuance, FinTech attackers have opportunities due to new technologies, data availability, and demographic shifts. Successful FinTech attackers will have advantaged customer acquisition, lower costs, innovative data use, focused propositions, leveraging existing infrastructure, and managing risks and regulators. Banks must adopt six digital imperatives to defend against FinTech attackers taking up to 40% of some banking revenues by 2025, including becoming more customer-centric, improving cost structures, leveraging data, developing platforms, partnering strategically, and transforming culture.