Over the past two decades, the booming ecommerce and fintech industries have become a breeding ground for fraud. Organizations that conduct business online are constantly engaged in a cat-and-mouse game with these invaders. In this practical book, Gilit Saporta and Shoshana Maraney draw on their fraud-fighting experience to provide best practices, methodologies, and tools to help you detect and prevent fraud and other malicious activities.Data scientists, data analysts, and fraud analysts will learn how to identify and quickly respond to attacks. You'll get a comprehensive view of typical incursions as well as recommended detection methods. Online fraud is constantly evolving. This book helps experienced researchers safely guide and protect their organizations in this ever-changing fraud landscape.With this book, you will:Examine current fraud attacks and learn how to mitigate themFind the right balance between preventing fraud and providing a smooth customer experienceShare insights across multiple business areas, including ecommerce, banking, cryptocurrency, anti-money laundering, and ad techEvaluate potential risks for a new vertical, market, or productTrain and mentor teams by boosting collaboration and kickstarting brainstorming sessionsGet a framework of fraud methods, fraud-fighting analytics, and data science methodologiesGilit Saporta is an experienced fraud-fighting leader with well over a decade of experience in the field. Having begun her career at Fraud Sciences, the startup famous for pioneering innovative accuracy in online fraud prevention, during the course of her career she has led and trained fraud analysts at PayPal, Forter, and Simplex. She is currently a lecturer at and a content contributor to the Tel Aviv University MBA Fintech Fraud Course, is on the steering committee of the annual CyberWeek FraudCon Conference, co-hosts Fraud Fighters’ Israeli meetups and leads the Israeli branch of RiskSalon. She is an experienced conference speaker and has contributed to many fraud, risk, and payments publications.Shoshana Maraney is an experienced writer, with more than a decade of experience in expressing complex concepts, technologies, and techniques in comprehensible and relatable language. She has worked in the fraud prevention industry for more than five years, at first Forter and now Identiq. She is a content committee member of the Tel Aviv University CyberWeek FraudCon Conference, and has created numerous presentations for risk and payments conferences around the world. She has composed many articles for fraud, risk, and payments publications. Her degree is from Cambridge University.