Citibank Sysadmin Gets 21 Months in Jail for Wiping Bank's Routers

A Texas judge sentenced Lennon Ray Brown, 38, to 21 months in prison for intentionally wiping out the configuration of nine out of ten Citibank routers, causing the bank's entire network to go down for hours in December 2013.

Brown was one of Citibank's long-standing contractors for many years, and he eventually joined the bank's Texas branch in February 2013, as a full-time employee.

In his job as a computer engineer, Brown's responsibilities were to manage the bank's IT network.

Brown shut down 90% of Citibank's entire North American network

According to court papers, on December 2013, Brown was called in and reprimanded by one of his bosses for his poor work performance.

Later during the same day, authorities say that Brown waited for working hours to finish, and at 18:03 sent commands to the bank's IT network that deleted the configurations for the company's routers.

Brown wanted to wipe out all of the bank's ten central routers, but the co...