CyberBerkut (Russian: КиберБеркут, Ukrainian: КіберБеркут) is a modern organized group of pro-Russian hacktivists.[1] The group became locally known for a series of publicity stunts and distributed denial-of-service (DDoS) attacks on Ukrainian government, and western or Ukrainian corporate websites.[2] By 2018, this group was accused by western intelligence agencies, such as National Cyber Security Centre (United Kingdom) of being linked to the GRU, providing plausible deniability.[3]
Email hacking and publication of the conversation between Ihor Kolomoyskyi and the persecutor of the Lviv Oblast, hacking of the computer and email of a person related to Ihor Kolomoyskiy.[18][19][20] Archives of the contents of 89 email accounts of Lviv oblast's prosecutor office employees.
Hacking and publishing of the Minister of Internal Affairs Arsen Avakov's conversation.[21]
Blocking of the website of the President of Ukraine Petro Poroshenko on 29 June 2014.[22]
Publication of the real name and biography of Semen Semenchenko – Konstantin Grishin.[23]
Hacked U.S. Senator John McCain's computers during a visit to Ukraine in 2015 and released a video depicting a fake ISIS beheading video being filmed[25]
Repeated blocking of CB's Facebook pages, although new ones have been made on the following day [citation needed].
Likely in response to attacking the websites of Greystone Limited and Triple Canopy, CyberBerkut's websites have been temporarily disrupted. The websites started to work again on the following day.[citation needed]
Arrests of people suspected in relation to CyberBerkut.[26]
^"На сайте проводят регламентные работы технического характера в преддверии дня выборов. Такие работы проводились и ранее, в прошлые выборы. Работы проводятся, чтобы увеличить работоспособность сайта и увеличить его скорость", — сообщил РИА Новостипресс-секретарь комиссии Константин Хивренко.