https://www.reuters.com/article/us-usa-cyber-solarwinds/second-hacking-team-was-targeting-solarwinds-at-time-of-big-breach-idUSKBN28T0U1

A second hacking group, different from the suspected Russian team now associated with the major SolarWinds data breach, also targeted the company's products earlier this year, according to a security research blog by Microsoft.