Winnti APT41 Targets Japanese Firms in RevivalStone Cyber Espionage Campaign

The China-linked threat actor known as Winnti has been attributed to a new campaign dubbed RevivalStone that targeted Japanese companies in the manufacturing, materials, and energy sectors in March 2024. The activity, detailed by Japanese cybersecurity company LAC, overlaps with a threat cluster tracked by Trend Micro as Earth Freybug, which has been assessed to be a subset within the APT41