In 2023, 143 significant ransomware attacks were detected in Europe, marking a 31 percent increase from 109 known major ransomware attacks in the previous year. Meanwhile, the figures do not represent the overall number of ransomware attacks in the region. Furthermore, in 2022 small and medium enterprises (SMEs) remained the primary target for ransomware actors.
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Number of reported cases of significant ransomware attacks in Europe from 2021 to 2023
Characteristic
Number of cases
2023
143
2022
109
2021
203
050100150200250
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significant ransomware attacks only; based on source's characteristics; wider industry metrics may wary
Supplementary notes
The source adds the following information: "The evolution of the number of major incidents and cyber defense operations does not illustrate the overall evolution of the threat level. These numbers are the result of the different levels of support provided by the ANSSI teams, which also rely on qualified security incident response service providers for the handling of incidents falling within their scope."
The source does not specify what is considered a significant attack.
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ANSSI. (February 26, 2024). Number of reported cases of significant ransomware attacks in Europe from 2021 to 2023 [Graph]. In Statista. Retrieved June 17, 2025, from https://www.statista.com/statistics/1398137/europe-major-cases-ransomware-attacks/
ANSSI. "Number of reported cases of significant ransomware attacks in Europe from 2021 to 2023." Chart. February 26, 2024. Statista. Accessed June 17, 2025. https://www.statista.com/statistics/1398137/europe-major-cases-ransomware-attacks/
ANSSI. (2024). Number of reported cases of significant ransomware attacks in Europe from 2021 to 2023. Statista. Statista Inc.. Accessed: June 17, 2025. https://www.statista.com/statistics/1398137/europe-major-cases-ransomware-attacks/
ANSSI. "Number of Reported Cases of Significant Ransomware Attacks in Europe from 2021 to 2023." Statista, Statista Inc., 26 Feb 2024, https://www.statista.com/statistics/1398137/europe-major-cases-ransomware-attacks/
ANSSI, Number of reported cases of significant ransomware attacks in Europe from 2021 to 2023 Statista, https://www.statista.com/statistics/1398137/europe-major-cases-ransomware-attacks/ (last visited June 17, 2025)
Number of reported cases of significant ransomware attacks in Europe from 2021 to 2023 [Graph], ANSSI, February 26, 2024. [Online]. Available: https://www.statista.com/statistics/1398137/europe-major-cases-ransomware-attacks/
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