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Tokio Marine HCC International (TMHCCI) has released a report on cybercrime in 2021. The insurer lists the top ten cyber attacks in terms of both financial impact and reputational damage. Such incidents generated 600 million USD of losses in 2021.
Top ten worst cyber attacks in 2021
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| Rank | Date | Company | Business sector | Country |
| 1 | July | Kaseya | IT | United States |
| 2 | March | Microsoft Exchange | IT | United States |
| 3 | March | SITA | IT | Switzerland |
| 4 | May | Colonial Pipeline | Energy | United States |
| 5 | October | Pichincha | Banking | Ecuador |
| 6 | November | Biélorussie | The whole country | Belarus |
| 7 | August | Poly Network | Cryptocurrency | United States |
| 8 | October | RENAPER | IT | Argentina |
| 9 | December | Apache Log4j | IT | United States |
| 10 | May | Volkswagen USA | Motor | United States |
Read also | Major cyber attacks in 2020
