A cybersecurity team for a credit card company is devoted to detecting and preventing cyber attacks on customer data. Their new goal is to send an email notification to a security engineer as soon as a potential attack is detected. The security engineer will determine if a customer needs to be notified.The team is trying out a new tool the company hasn't used before. They are using the tool to ingest" data for an unsupervised learning model to identify patterns and determine if the patterns are legitimate or fraudulent.In which step of the data science methodology is the team working?