April 2026 Data from data.wa.gov , The State of Washington's government.
The most common data breach cause was Cyberattacks, with over 5,000 cases.
The most common Cyber Attack type was Ransomware, with over 2,500 cases.
The industry that affected Washington residents the most was Health and Business, with over 70,000,000 cases. Note, this does not represent unique individuals, as one person's data could be exposed in multiple events during different breaches and over time. This represents the total reported breach records involving Washington residents.