Did Chinese Hackers Cause Mumbai's Power Failure in October? A report by the US-based firm Recorded Future says since the escalation tensions between the two countries at the LAC, state-backed Chinese hacker groups have targeted the Indian power grid system through malware. A man stands in front of a power transmission line in Allahabad, July 31, 2012. Photo: REUTERS/Jitendra Prakash World01/Mar/2021 New Delhi: The massive power outage in Mumbai in October 2020 may have been the result of a Chinese cyber campaign against India, timed as a ‘show of force’ warning to New Delhi about what could happen if the country pushed its border claims too vigorously in the context of the standoff at the Line of Actual Control (LAC) in Ladakh.