German authorities have publicly identified Daniil Maksimovich Shchukin, a 31-year-old Russian national, as the elusive hacker known as “UNKN,” who led the GandCrab and REvil ransomware groups responsible for at least 130 attacks targeting German companies between 2019 and 2021. Alongside Shchukin, 43-year-old Anatoly Sergeevitsch Kravchuk was also named as a co-leader in these operations. […]