UK Biobank
Confidential health records from flagship medical research project leaked multiple times and exposed online
Law Firm Data Breaches (10649 indexed)
Marquis
Ransomware attack stole personal and financial data of over 672,000 people from fintech company
CISA
US agency breached through Cisco vulnerability; FIRESTARTER backdoor allowed persistent access through March 2026
CareCloud
Healthcare software firm informed SEC of potential patient data leak; electronic health records may have been leaked after system intrusion
South Florida Injury Centers
1,525 records breached exposing SSNs and medical records
UK BioBank
Confidential health records from flagship medical research project exposed online, leaked dozens of times
Conduent
Breach compromised personal data of millions nationwide, notifications sent a year later
Companies House
UK firm records exposed during five-month security issue affecting all registered companies
Ransomware attack caused data
Ransomware attack caused data leak exposing patient information from Multiethnic Cohort Study including driver's license and voter data
Ransomware attack with data
Ransomware attack with data leak including Multiethnic Cohort Study data with driver's license numbers and voter IDs
Ericsson
Vishing attack exposed data of 15,661 people including SSNs, financial and medical records
Driver's license numbers and voter information from Multiethnic Cohort Study exposed in
Driver's license numbers and voter information from Multiethnic Cohort Study exposed in ransomware attack
IDMerit
Unprotected database exposed 1 billion identity records used by banks and identity verification
UK Biobank
Confidential health records from flagship medical research project exposed online, with data leaked multiple times
Ransomware attack resulted in data
Ransomware attack resulted in data leak including driver's license numbers and voter registration data
Tribeca Festival
666,000 records exposed including celebrity contact information from unprotected database
CommonSpirit Health
Data breach exposing personal and medical information of 19,027 patient records via healthcare consulting company
Ransomware attack exposing personal data of 1.2 million individuals
Ransomware attack exposing personal data of 1.2 million individuals
Ransomware attack led to data leak including driver's license numbers and voter
Ransomware attack led to data leak including driver's license numbers and voter information
UK Companies House
Data exposed during five-month security issue affecting all UK firms' records
UK Biobank
Confidential health records from medical research project exposed online and offered for sale on Chinese website
FirstClass
Australian travel agency hit by alleged data breach with customer records compromised
Foster City
Ransomware attack forced city computer system offline; state of emergency declared
UK Biobank
Confidential health records from medical research project exposed online multiple times