This statistic displays the share of business who don't know the source of the most disruptive cyber security breach or attack in the last twelve months in the United Kingdom (UK) as of 2019. Among all respondents, 62 percent did not know the sources which contributed to the most disruptive breach. With respect to the size of businesses, large firms were the least type of companies to not know the source of the most disruptive breach with a share of 52 percent.
Concerning the size of businesses, micro businesses had two to nine employees, small businesses had 10 to 49 employees, medium businesses had 50 to 249 employees and large businesses had 250 employees or more.
Share of United Kingdom (UK) businesses who don't know the source of the most disruptive cyber security breach or attack in the last twelve months as of February 2019, by size of business
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Share of United Kingdom (UK) businesses who don't know the source of the most disruptive cyber security breach or attack in the last twelve months as of February 2019, by size of business
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Respondents are UK businesses that identified a breach or attack in the last 12 months*
Method of interview
Telephone interview
Supplementary notes
*The 616 businesses that identified a breach or attack in the last 12 months composed of: 210 micro firms, 130 small firms, 155 medium firms and 121 large firms.
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Ipsos MORI. (January 6, 2020). Share of United Kingdom (UK) businesses who don't know the source of the most disruptive cyber security breach or attack in the last twelve months as of February 2019, by size of business [Graph]. In Statista. Retrieved April 21, 2025, from https://www.statista.com/statistics/586827/share-of-businesses-with-unknown-cyber-security-breach-source-in-the-uk-by-size/
Ipsos MORI. "Share of United Kingdom (UK) businesses who don't know the source of the most disruptive cyber security breach or attack in the last twelve months as of February 2019, by size of business." Chart. January 6, 2020. Statista. Accessed April 21, 2025. https://www.statista.com/statistics/586827/share-of-businesses-with-unknown-cyber-security-breach-source-in-the-uk-by-size/
Ipsos MORI. (2020). Share of United Kingdom (UK) businesses who don't know the source of the most disruptive cyber security breach or attack in the last twelve months as of February 2019, by size of business. Statista. Statista Inc.. Accessed: April 21, 2025. https://www.statista.com/statistics/586827/share-of-businesses-with-unknown-cyber-security-breach-source-in-the-uk-by-size/
Ipsos MORI. "Share of United Kingdom (Uk) Businesses Who Don't Know The Source of The Most Disruptive Cyber Security Breach or Attack in The Last Twelve Months as of February 2019, by Size of Business." Statista, Statista Inc., 6 Jan 2020, https://www.statista.com/statistics/586827/share-of-businesses-with-unknown-cyber-security-breach-source-in-the-uk-by-size/
Ipsos MORI, Share of United Kingdom (UK) businesses who don't know the source of the most disruptive cyber security breach or attack in the last twelve months as of February 2019, by size of business Statista, https://www.statista.com/statistics/586827/share-of-businesses-with-unknown-cyber-security-breach-source-in-the-uk-by-size/ (last visited April 21, 2025)
Share of United Kingdom (UK) businesses who don't know the source of the most disruptive cyber security breach or attack in the last twelve months as of February 2019, by size of business [Graph], Ipsos MORI, January 6, 2020. [Online]. Available: https://www.statista.com/statistics/586827/share-of-businesses-with-unknown-cyber-security-breach-source-in-the-uk-by-size/
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