Is anyone using Splunk for their fraud monitoring efforts, whether it be for transactional monitoring of activity, alerting, or anything else?
Yes, we are doing a lot with fraud monitoring in numerous business domains, not just the financial services industry.
Surely lot of projects would be using Splunk for Fraud Monitoring (given this much power, if the financial projects does not use Splunk for Fraud monitoring, then they are really not using Splunk properly.. so with or without the fraud detection app, Splunk "should" be for Fraud Monitoring, at least on Financial/Banking Domain Projects.
For @masonF your question, Yes, too many projects should be using Splunk for Fraud Detection. if you have specific questions, then, lets discuss.. thanks.
Given that Splunk has an app for this purpose, (Splunk Security Essentials for Fraud Detection - https://splunkbase.splunk.com/app/3693/) I think it's safe to assume many people are using Splunk for fraud monitoring.