strategic electronic intelligence system of the Main Intelligence Directorate of the Ministry of Defense of Ukraine (GUR) [hacked]
inflicting heavy damage to the department an all Armed Forces of Ukraine.
destroyed the entire system of strategic electronic intelligence of the GUR
All equipment supplied by Britain, Poland and other Western countries was paralyzed
As a proof, we post the desktops of the operators of the Polish ICAS radio intelligence complex, the Ukrainian Khortytsia complex, the British RFeye complex and other materials from the internal network’ – their message reads.
thanked some employees of the Ukrainian GUR for their ‘help’
download some classified documents, including military reports and lists of losses. They were shared with the Russian law enforcement forces and media.
leaked documents revealed that Ukrainians together with Lithuanians discussed activities on electronic intelligence in Crimea, the Kaliningrad region and in Belarus
GUR also had at its disposal documents on the construction of US Columbia-class nuclear submarines
operational-strategic group alone, lost 1,042 servicemen, including killed and imprisoned
Summary
Source
https://southfront.org/pro-russian-hackers-claimed-they-attacked-kievs-strategic-electronic-intelligence-system-stole-secret-documents/
https://archive.ph/qF9WN
https://web.archive.org/web/20230815231046/https://www.theinteldrop.org/2023/08/15/zelenskys-intelligence-center-hacked-by-russia-they-got-it-all/
Backup Source
https://www.theinteldrop.org/2023/08/15/zelenskys-intelligence-center-hacked-by-russia-they-got-it-all/
https://archive.md/4dmlN
https://web.archive.org/web/20230815231046/https://www.theinteldrop.org/2023/08/15/zelenskys-intelligence-center-hacked-by-russia-they-got-it-all/
An amazing observation: Team Viewer of all things?
On the other hand, if you loose 1100 men personnel, then indeed, a thank you is quite cynical.