Felipe Cardoso reports (translation):
Celg Geração e Transmissão (Celg GT) – reported, on the morning of this Friday, the 19th, that it suffered, during the night, a cyber attack that left access to the entire corporate network of applications and files compromised.
It has not yet been possible to identify the extent of the damage or even specify the origin of the attack, but since the early hours of the day, the Information Technology Superintendence says that the company is following all security protocols, including suspending its operation computerized environment to protect the integrity of the information and, at the same time, to safeguard the backups.
Read more on Jornal Opção.
h/t, @Chum1ng0