Microsoft confirmed on Friday that its network was among the thousands infected with tainted software updates from SolarWinds, even as new data the company has released suggest the likely Russian actors behind the campaign were focused on a smaller set of targets than originally thought.
Microsoft on Friday said that it had detected malicious SolarWinds binaries in its environment, which the company isolated and removed. However, the software giant denied a Reuters report on Thursday that claimed Microsoft’s own products were then used to distribute malware to other organizations in much the same way SolarWinds’ Orion network product management technology was abused.
“We have not found evidence of access to production services or customer data,” a Microsoft spokesman says. “Our investigations, which are ongoing, have found absolutely no indications that our systems…