This document discusses ING Bank Śląski's use of Splunk for IT monitoring and business insights. It provides an overview of ING Bank Śląski, how the bank started using Splunk to monitor various IT systems and applications, and how Splunk has provided value through use cases across IT and business functions. The document also outlines the bank's Splunk infrastructure and future plans to expand Splunk usage through new apps and integrations with Hadoop and machine learning.