However, today detailed information about processes is being recorded in the
form of event logs, audit trails, transaction logs, databases, data warehouses, etc.
Therefore, it should no longer be acceptable to only check a small set of samples off-line. Instead, all events in a business process can be evaluated and this can be done while the process is still running. The availability of log data and advanced process mining techniques enables new forms of auditing (also see the work done in the PoSecCo project [74]). Process mining in general, and conformance checking in particular, provide the means to do so.