As if banks couldn’t be more nervous about the cybersecurity threats facing the industry, 2018 opens up with a new method of attack: jackpotting, in which criminals install malware to take control of ATMs to gain vast amounts of cash. It’s no wonder that Robin Wiessmann, the secretary of the Pennsylvania Department of Banking and Securities, says that cybersecurity is the top issue for her department, and that she was one of the first state regulators to create a task force to focus on the issue. In this interview, which has been edited for length and clarity, she shares her...