Corruption and money laundering represent significant and pervasive challenges that threaten the integrity and security of financial systems across the globe. This chapter focuses on the complex connections between these two forms of criminal behavior, focusing on real-world examples that illustrate how they reinforce each other. In particular, the Petrobras affair in Brazil is a prominent and extensive example of corruption that is closely associated with systemic corruption. The 1Malaysia Development Berhad (1MDB) case serves as a stark reminder of the vulnerabilities present in financial systems worldwide, emphasizing the need for stronger safeguards against these transgressions.