Microsoft says Solorigate incident is an opportunity to work together in important ways, to share information, strengthen defenses and respond to attacks. Microsoft has found no evidence of access to production services or customer data. One account was used to view source code in a number of source code repositories. Microsoft: We want to be transparent and share what were learning as we combat what we believe is a very sophisticated nation-state actor. We will provide additional updates if and when we discover new information to help inform and enable the community. For the up-to-date information and guidance, please visit our resource center at https://aka.ms/solorigate.”]
Source: https://msrc-blog.microsoft.com/2020/12/31/microsoft-internal-solorigate-investigation-update/