Everything from a simple oversight to a sophisticated malware exploit could prove costly. : The commercial real estate industry is in the midst of a transformation. The influx of big data and the ubiquity of information have contributed to the rapid adoption of commercial real estate software services. According to Deloitte, investment in real estate tech start-ups recently hit $33.7 billion, up from $2.4 billion in 2008. Yet with more data—and more value at stake—come new risks. Critical deal information, financial models, tenant information and proprietary research are valuable resources in the commercial real estate industry.