The MGI Fraud Review 2017 summarizes significant fraud cases in Australia, highlighting the rise of cyber fraud, with 90% of businesses targeted by email fraud and a notable increase in identity theft. Key case studies include credit card fraud involving misappropriation by a CEO, business email compromise, payroll fraud through duplicate entries, and supplier fraud due to inadequate verification processes. The document emphasizes the need for robust internal controls and training to mitigate fraud risks across all sectors.