These types of data theft could be prevented by implementing better data protection and content monitoring controls e.g., locking USBs, monitoring emails, blocking websites and outbound ports, and most importantly — restricting access to code, etc.
He said that he had inadvertently downloaded a portion of [Company’s] proprietary code while trying to take files of open source software — programs that are not proprietary and can be used freely by anyone. He said he had not used the [Company's] code at his new job or distributed it to anyone else, and the criminal complaint offers no evidence that he has.Why he downloaded the open source software from Goldman, rather than getting it elsewhere, and how he could at the same time have inadvertently downloaded some of the firm’s most confidential software, is not yet clear.