Worldwide list of DDoS attacks took place during the month of December 2020
| Date of attack | Country | Industry | Downtime | Company Affected | Size of Company | Attack Details | Press Link |
| Dec 27 | UK | Gaming | NA | Facepunch | Small | Viewers were unable to watch Rust streamers join forces and play the games Shroud, Valkyrae, TSM Myth. | Click here |
| Dec 21 | USA | Software Technology | 3 Days | Citrix | Enterprise | The attack hit Citrix's networking products that manage the delivery speed and quality of applications to end users, hindering customer performance. | Click here |
| Dec 19 | NA | Financial Services | NA | Bitcoin.org | NA | The site was inaccessible for the duration of the attack around bull markets. | Click here |
| Dec 12 | Canada | Education | Few minutes | Laurentian University | Medium | The attack was mitigated before it could cause downtime or any other damage. | Click here |
| Dec 5 | USA | Financial Services | Several hours | Poloniex | Small | Services went down for this Crypto exchange company. During the attack, matching orders were rejected preventing successful transactions. | Click here |
