Worldwide list of DDoS attacks took place during the month of January 2021
| Date of attack | Country | Industry | Downtime | Company Affected | Size of Company | Attack Details | Press Link |
| Jan 22 | NA | NA | 10 Hours | 4 of Radware’s customers | NA | Extortion threat followed by DDoS attacks, with the longest and most powerful one running <10 hours at 237 gigabits per second. | Click here |
| Jan 18 | USA | Gaming | NA | Riot Games League | Enterprise | Reported outages and problems, with login issues. Riot cancelled matches and had to refund money. | Click here |
| Jan 17 | Russia | Government | 2 Hours | Russian Federal Penitentiary Service | NA | The website came under massive DDos-attacks causing slowdown and connectivity issues. | Click here |
| Jan 15 | USA | Social Media Network | 7 Days | Wimkin | Small | DDOS attacks disrupted the network, and disabled the Wimkin app. | Click here |
| Jan 13 | Malta | Telecom | NA | Melita | Medium | The attack resulted in slowdown of internet connectivity across the country, even as the perpetrators looked to extort money. | Click here |
| Jan 12 | Brazil | Media | 6 Days | Repórter Brasil | Small | This investigative news website flooded with traffic forcing it offline multiple times. | Click here |
| Jan 12 | USA | Internet Browser | 6 Days | Tor Network | Small | Tor’s v3 Onion domains went offline and the downtimes affected several onion websites, including Bitcoin services like Wasabi and Bisq. | Click here |
| Jan 7 | USA | Gaming | 2 Hours | Blizzard Entertainment | Enterprise | The attack caused high latency and disconnections, especially for players of World of Warcraft. | Click here |
| Jan 5 | USA | Education | 2 Days | Scarsdale School District | Enterprise | Classes and district operations were disrupted as servers were overloaded with information. | Click here |
