This is a crash course on Mastering EMV and Mobile Payments Security Essentials. We talk about EMV standards – that apply to the chip on your payment card. The basis for everything we do today with payments security is the EMV standards - including contact and contactless payments card payments, mobile handset payments with different digital wallets such as Samsung Pay and Apple Pay Wallets. In order to understand the effects of these standards in card payments, mobile payments and online payments, we need to explain the EMV payment technology. In this crash course we provide deep dive description of EMV, card payments, mobile payments and how the various security features are used to prevent different types of fraud.