It seems notable that many of these comments are jumping on this for not providing proof that it was Russia, when that was not the intention of the report.
The first page states-
>This JAR provides technical indicators related to many of these operations, recommended mitigations, suggested actions to take in response to the indicators provided, and information on how to report such incidents to the U.S. Government.
The first page states-
>This JAR provides technical indicators related to many of these operations, recommended mitigations, suggested actions to take in response to the indicators provided, and information on how to report such incidents to the U.S. Government.