Loblaw
Data breach affecting Canadian customers at Loblaw-owned stores
Healthcare Data Breaches (11945 indexed)
CISA (U.S. Department)
US agency breached through Cisco vulnerability with FIRESTARTER backdoor malware
Charter Spectrum
4.9M confirmed accounts breached; 42M records claimed stolen
UK Companies House
Data exposed during five-month security issue affecting all UK firms' records
Qantas
5.67 million customer records exposed via vishing attack tech support scam
Foster City
Ransomware attack forced city computer system offline; state of emergency declared
Multiethnic Cohort Study data
Multiethnic Cohort Study data leaked following ransomware attack including driver's license numbers
Ransomware attack led to data
Ransomware attack led to data leak including driver's license numbers and voter information
GuardDog
Telehealth company accessed and shared patient medical records from Epic platform with law firms without authorization
CISA
US agency breached through Cisco vulnerability; FIRESTARTER backdoor allowed persistent access through March 2026
Tribeca Festival
666,000 records exposed including celebrity contact information from unprotected database
Ransomware attack led to data
Ransomware attack led to data leak including driver's license numbers and voter info
Foster City Government
Ransomware attack forced city computer systems offline for days
Ransomware attack
Ransomware attack exposed data from Multiethnic Cohort Study including driver's license numbers and voter IDs
Fortinet FortiGate
73,932 FortiGate systems exposed with valid administrative and VPN credentials
Ransomware attack resulted in data leak from Multiethnic Cohort Study including driver's
Ransomware attack resulted in data leak from Multiethnic Cohort Study including driver's license numbers and voter registration data
Companies House
UK firm records exposed during five-month security issue affecting all registered companies
Conduent
Breach compromised personal data of millions nationwide, notifications sent a year later
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 exposing personal data of 1.2 million individuals
Ransomware attack exposing personal data of 1.2 million individuals
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
CISA (US Department)
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
UK Biobank
Confidential health records from flagship medical research project exposed online, with data leaked multiple times