Indian electricity organizations in Maharashtra, Assam, Delhi, and Tamil Nadu have been targeted by a hacking group believed to be based in China. Infiltration attempts were also detected at the Mumbai and VO Chidambaranar (formerly Tuticorin) ports. RedEcho has overlapping modus operandi with other known Chinese groups like APT41 and Tonto Team, according to Recorded Future. The firm detected high-volume, sustained network traffic from Indian power stations to servers used by the Chinese state-sponsored hacker group.”]
Source: https://www.csoonline.com/article/3611387/redecho-a-glitch-in-india-s-power-grid.html