This document discusses modern methods of bank theft and fraud, such as credit card fraud, ATM skimming, and social engineering. It describes how hackers may target a bank's internal IT systems and compromise networks, core transaction systems, data warehouses, and other technical infrastructure. The document also examines common security problems like weak passwords, outdated systems, and a lack of employee awareness and skills. It provides examples of how penetration testers have compromised banks and considers ongoing efforts by banks to increase security through encryption, two-factor authentication, compliance, and security assessments.