Microsoft's secret internal database for tracking bugs in its own software was broken into by a highly sophisticated hacking group more than 4 years ago, according to 5 former employees, in only the second known breach of such a corporate database.
https://www.reuters.com/article/us-m...-idUSKBN1CM0D0
https://www.reuters.com/article/us-m...-idUSKBN1CM0D0