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Researchers attributed the Nov 14 attack on U.S. think tanks, non-profits, public sector to #APT29 or #CozyBear, which overlaps with the group we call #YTTRIUM. We don’t believe that there’s enough evidence for this attribution. Here’s our analysis: msft.social/fTgUCI
The attack used spear-phishing emails that mimicked OneDrive notifications and impersonated individuals from the US Department of State. If recipients clicked a link on the emails, they began an exploitation chain that gave attackers remote access. cloudblogs.microsoft.com/microsoftsecur… 
The attack appeared to target organizations involved with policy formulation and politics or have some influence in that area. Although targets are distributed across the globe, majority are in the United States, particularly in and around Washington, D.C. cloudblogs.microsoft.com/microsoftsecur…
