Security News > 2021 > February > Eletrobras, Copel energy companies hit by ransomware attacks
Centrais Eletricas Brasileiras and Companhia Paranaense de Energia, two major electric utilities companies in Brazil have announced that they suffered ransomware attacks over the past week.
Copel being the largest in the state of Paraná while Eletrobras is the largest power utility company in Latin America and also owns Eletronuclear, a subsidiary involved in the construction and operations of nuclear power plants.
Both ransomware attacks disrupted operations and forced the companies to suspend some of their systems, at least temporarily.
Copel leaks ahead. In the case of Copel, the attack is the work of the Darkside ransomware gang, who claims to have stolen more than 1,000GB of data and that the cache includes sensitive infrastructure access information and personal details of top management and customers.
The date of the intrusion remains undisclosed but Copel announced the incident in a filing with the Securities and Exchange Commission on Monday, February 1st. The company detected the attack and acted immediately to stop it from spreading across the network.
"The operation and protection systems detected the attacks and, immediately, the Company followed the security protocols, including suspending the operation of its computerized environment to protect the integrity of the information. The full assessment of what happened is in progress and the Company is taking the necessary steps to restore normality" - Copel.
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