In 2010, California hired the consulting firm Deloitte to overhaul the state website people use to apply for unemployment benefits. Things didn’t go well: Later that year, technical errors led to the halting of payments for some 300,000 people, according to the Los Angeles Times.
https://themarkup.org/coronavirus/2020/07/16/unemployment-benefits-website-failures-deloitte-ibm
https://themarkup.org/coronavirus/2020/07/16/unemployment-benefits-website-failures-deloitte-ibm