Illinois State Government
System failure exposed personal data of residents publicly for four years
2026 continues the year-over-year growth trend in confirmed disclosures. The list below updates as new breaches are reported by Verizon DBIR partners and major security news outlets.
System failure exposed personal data of residents publicly for four years
340K gaming records exposed in ransomware
190K customer records compromised
670K clinical records compromised
560K customer records exposed in credential harvesting
2.6M patient records from 150+ GP surgeries exposed via shared IT platform compromise
450K customer records stolen
210K utility customer records compromised
280K patient records stolen
Excessive internal access resulted in unauthorized personal data exposure
180K student records stolen
Fortune 500 operational data — multiple state governments affected