1st Source Bank is praised for its exceptional customer service, particularly by staff member Karuu, who is recognized for being helpful, attentive, and knowledgeable. Customers appreciate the quick action and advice that have protected their accounts from fraud and hacking attempts. The bank's team is noted for making the process of resolving fraudulent transactions as easy as possible, providing necessary tools and timely reimbursements. Overall, 1st Source Bank is recommended for its stellar service and commitment to customer satisfaction over many years.