Volodymyr Kvashuk, a Ukrainian citizen and former Microsoft software engineer, was sentenced to nine years in prison for stealing over $10 million worth of currency stored value (CSV) including gift cards over two years. He used Microsoft test accounts while being a part of the company’s Universal Store Team (UST) to steal about $10.1 million of CSV from Microsoft via unauthorized simulated purchases of products. The stolen CSV stolen between August 26, 2016, and June 22, 2018, when he was fired (after first being a contractor and then a full employee starting with December 1, 2017)
Source: https://www.bleepingcomputer.com/news/security/microsoft-engineer-stole-10m-used-colleagues-as-scapegoats/