IEH Corporation
Microsoft 365 phishing breach exposed mailbox and possibly export-controlled military technology details
Finance & Banking Data Breaches (12781 indexed)
Central Maine Healthcare
Data breach impacting personal, treatment, and health insurance information of 145,381 patients
Fortinet FortiGate
FortiBleed campaign exposed administrative and VPN credentials for 73,932 FortiGate firewalls
HCL Technologies
Hacker group claimed access to employee data; company stated data may be years-old
Inadvertently
Inadvertently exposed personal information of 700,000 state residents
Yearslong breach
Yearslong breach exposed residents' private health-related information
South Florida Injury Centers
Ransomware attack exposed 1,525 individuals' SSNs and medical records (PHI/PII)
TrueConf
Client installers compromised with backdoors after server breach by Head Mare group
MCBS
1.26 million patients exposed in PEAR ransomware attack on medical billing system
FirstClass Travel
Australian travel agency customer records allegedly breached, claimed on underground hacking forums
Multi-year data breach of residents' health-related information
Multi-year data breach of residents' health-related information
Personal information of thousands
Personal information of thousands leaked; agency delayed public notification for months
Water Utilities (12 states)
Operational technology systems compromised in coordinated attacks across multiple states
Epic Systems
300,000 people's digital health information records were accessed and sold from health records networks to law firms
Tribeca Film Festival
Unprotected database exposed 666,000 records including celebrity contact information with no password or encryption
Qantas
Vishing attack exposed 5.67 million customer records including personal and travel data
Inadvertent exposure of personal data belonging to over 700,000 state residents
Inadvertent exposure of personal data belonging to over 700,000 state residents
Armenia Government
Alleged sale of 8M government records on hacker forum; authorities launched investigation
Yearslong data breach of residents' private health-related information reported in
Yearslong data breach of residents' private health-related information reported in January 2026
Allstate
Data breach exposed employee-related records in insurance company cyber incident
Inadvertent exposure of personal data for 700,000 state residents
Inadvertent exposure of personal data for 700,000 state residents
Yearslong data breach of residents' private health-related information discovered
Yearslong data breach of residents' private health-related information discovered
Years-long data breach of residents' private health-related information
Years-long data breach of residents' private health-related information
French telco subsidiaries
Data regulator fined $42-48 million for cybersecurity vulnerabilities contributing to 2024 data breach