Microsoft says hackers were able to see some of its source code

As Microsoft continues to investigate the massive SolarWinds attack, the company says it has discovered that its systems were infiltrated “beyond just the presence of malicious SolarWinds code.” In an update from its Security Response Center, Microsoft says that hackers were able to “view source code in a number of source code repositories,” but that the hacked account granting such access didn’t have permission to modify any code or systems.

While Microsoft points to “a very sophisticated nation-state actor” as the culprit, the US government and cybersecurity officials have implicated Russia as the architects of the overall SolarWinds attack. The attack exposed an extensive list of sensitive organizations, and today’s disclosure from...

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