The benefits of cloud billing can be irresistible. Always-on availability, flexibility, elastic scalability, low cost, global reach. But with high-profile security breaches from the likes of Target, Sony and health insurer Anthem, it’s understandable that thinking about turning your billing system over to the cloud could give you the willies. How can you capitalize on the cloud’s tantalizing advantages while minimizing risk? Here are three things to look for in a cloud billing system you can trust.