Company Affected: Port of London Authority (PLA)
Size of Company : NA
Attack Details : Part of the PLA’s online infrastructure was knocked offline by a damaging DDoS attack.
Press Link

Company Affected : Judiciary's self-governing body, Supreme Council of Magistrates (CSM), Customs Agency, Ministries of Foreign Affairs, Education, and Cultural Heritage
Size of Company : NA
Attack Details :Russian collective Killnet has claimed responsibility for the attack, indicating on its Telegram channels a long list of targets, some 50 in all.
Press Link

Company Affected : Government sites
Size of Company : NA
Attack Details : Slow HTTP DDoS attack technique used to launch and bring down several crucial government sites.
Press Link

Company Affected : Activision Blizzard
Size of Company : Enterprise
Attack Details: DDoS attacks resulted in high latency and disconnections for some Battle.Net game players However, there were no damages to operational systems.
Press Link

Company Affected : Estonian Ministry of Foreign Affairs 
Size of Company : Enterprise
Attack Details: The website went down and was inaccessible following a DDoS attack.
Press Link

Company Affected : Defense Ministry, the Bundestag, the Federal Police and several police services
Size of Company : NA
Attack Details: The Federal Office for Information Security reported that such attacks were not very sophisticated from a technological point of view and could be easily repelled.
Press Link