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Ransomware

Cybersecurity statistics about ransomware

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Ransomware attacks against industrial organizations increased 64% year-over-year.

Dragos2/22/2026
RansomwareIndustrial Security

Organizations with comprehensive OT visibility detect and contain OT ransomware incidents in an average of 5 days, compared to the industry-wide average of 42 days.

Dragos2/22/2026
Operational TechnologyIncident Response

The average dwell time for ransomware in OT environments is 42 days.

Dragos2/22/2026
RansomwareOperational Technology

70% of global ransomware activity targets English-speaking countries.

Nozomi Networks2/22/2026
RansomwareRansomware Targets

In the second half of 2025, 40% of all ransomware attacks targeted US-based companies.

Nozomi Networks2/22/2026
RansomwareRansomware Targets

In the second half of 2025, ransomware attacks against Canada and the UK accounted for a combined 30% of attacks.

Nozomi Networks2/22/2026
RansomwareRansomware Targets

Scattered Spider accounted for 42.9% of all actor-related alerts in the second half of 2025.

Nozomi Networks2/22/2026
Threat ActorsRansomware

44% of attacks in the Automotive and Smart Mobility ecosystem are ransomware-related, more than double the volume in 2024.

Upstream2/22/2026
RansomwareAutomotive

90% of ransomware incidents exploit firewalls through a CVE or a vulnerable account.

Barracuda2/22/2026
RansomwareFirewall

The fastest ransomware case observed, involving Akira ransomware, takes just three hours from breach to encryption.

Barracuda2/22/2026
RansomwareBreach

96% of incidents involving lateral movement end with the release of ransomware.

Barracuda2/22/2026
RansomwareLateral Movement

Manufacturing accounts for more than two-thirds of all ransomware victims.

Dragos2/22/2026
ManufacturingRansomware

The number of ransomware groups targeting industrial organizations increased 49% year-over-year to 119 groups, collectively impacting 3,300 organizations globally.

Dragos2/22/2026
RansomwareIndustrial Security

The services industry recorded a 118% year-on-year increase in ransomware attack volume in 2025.

BlackFog2/14/2026
RansomwareServices Industry

The healthcare sector accounted for 22% of all disclosed ransomware attacks in 2025.

BlackFog2/14/2026
RansomwareHealthcare

The education sector saw ransomware attacks decrease by approximately 12% year-on-year in 2025.

BlackFog2/14/2026
RansomwareEducation

Approximately 86% of ransomware attacks are never publicly reported.

BlackFog2/14/2026
RansomwareRansomware Attack Reporting

The Qilin ransomware group claimed 1,115 victims in 2025, making it the most active ransomware group across disclosed and undisclosed attacks.

BlackFog2/14/2026
RansomwareThreat Actors

The Play ransomware group accounted for 5% of disclosed ransomware attacks in 2025.

BlackFog2/14/2026
RansomwareThreat Actors

The United States accounted for 58% of all recorded disclosed ransomware attacks in 2025.

BlackFog2/14/2026
RansomwareUnited States