Valve
Steam hardware customer data stolen, affecting European customers
2026 Data Breaches Year-to-Date (3095 indexed)
KT (South Korea)
Personal data breach via illegal base stations causing unauthorized micropayment damages
1.26 million patients exposed in PEAR ransomware attack on medical billing systems
1.26 million patients exposed in PEAR ransomware attack on medical billing systems
1.26 million patients exposed in PEAR ransomware attack on billing system
1.26 million patients exposed in PEAR ransomware attack on billing system
Police National Legal Database
135,000 contact records stolen and leaked on dark web by ExfilSquad hacker group
Evanston Township High School
Cyberattack disrupted phone systems; students and parents advised to use email
Fortinet
FortiBleed campaign; 73,000+ devices affected; verified administrator credentials and VPN data exposed
Hospital software vendor
Customer data breach from major healthcare software vendor via supply-chain attack
MCBS Medical Billing
1.26 million patients exposed in PEAR ransomware attack on billing and practice-management systems
1.26 million patients exposed in PEAR ransomware attack on healthcare billing and
1.26 million patients exposed in PEAR ransomware attack on healthcare billing and practice-management company
Coca-Cola (Fairlife subsidiary)
Ransomware attack resulted in theft of company data from dairy subsidiary
KT Corporation
Personal data breach via illegal base stations caused unauthorized micropayments
Department of Homeland Security
Network intrusion confirmed on HSIN used for World Cup operations
Securonix said the Veil#Drop campaign abuses Google Blogspot to deliver PureLog Stealer
Securonix said the Veil#Drop campaign abuses Google Blogspot to deliver PureLog Stealer in memory
Fairlife (Coca-Cola)
Anubis ransomware group published 1 TB of stolen data after Coca-Cola refused ransom demand
Coca-Cola/Fairlife
Ransomware attack on dairy subsidiary Fairlife resulted in data breach and production suspension
Japanese Telco
Cyberattack exposed 12 million emails from email system managing customer accounts and webmail services
1.26 million patient records exposed in PEAR ransomware attack on billing company
1.26 million patient records exposed in PEAR ransomware attack on billing company
Cerner (Huntsville Hospital)
Patient data compromised through third-party vendor breach at Huntsville Hospital Health System
Healthcare advocacy vendor cybersecurity incident
Healthcare advocacy vendor cybersecurity incident exposed employee Social Security numbers
Craneware
Healthcare software vendor breach exposed customer data through supply-chain attack
Origin Energy
Data breach confirmed; hacker claims to have stolen information of 2 million customers
HCA Healthcare
Data breach exposed employees' social security numbers
Accenture
Confirmed data breach; 35GB of internal data including source code and credentials stolen