https://www.reuters.com/article/us-usa-cyber-solarwinds-russia/russian-spy-chief-denies-solarwinds-attack-bbc-idUSKCN2CZ0G0

LONDON (Reuters) -Russia's spy chief on Tuesday denied responsibility for the SolarWinds cyber attack but said he was "flattered" by the accusations from the United States and Britain that Russian foreign intelligence was behind such a sophisticated hack.