“Russian hacking groups were reportedly able to obtain the information by gaining access to the personal computers and local networks of the Ukrainian General Staff. The database is said to include the full names of deceased soldiers, descriptions of the circumstances and places of their death or disappearance, personal data, next of kin, and photos.
The entries suggest that since the escalation of the Ukraine conflict in 2022, Kiev’s forces have lost a total of 1,721,000 servicemen. 118.5 thousand were apparently killed in 2022, 405.4 thousand in 2023, 595 thousand in 2024 and a record 621 thousand in 2025…”
https://www.rt.com/russia/623322-ukraine-losing-million-troops/