Cognizant
Data breach occurring April 21, 2026 affecting customers with personal information exposed
Healthcare Data Breaches (11938 indexed)
CISA (US Agency)
Breached through Cisco vulnerability, FIRESTARTER backdoor allowed access through March
Żabka Polska
Data breach exposing 541,000 Jira issues and customer data from major Polish retailer
Nissan
Data breach involving information held by third-party vendor
CISA
US agency breached through Cisco vulnerability; FIRESTARTER backdoor allowed access through March
U.S. Federal Agency (CISA)
Unnamed U.S. department breached through Cisco vulnerability; FIRESTARTER backdoor allowed persistent access through March 2026
ANTS
Cyberattack on France's national identity agency exposed 19 million records
Department for Education
Cyberattack exposed approximately 607,000 records
Ernst & Young
Third-party IT service management platform breached; client tax data exposed March 28 - April 12, 2026
ANTS (French ID Agency)
Cyberattack exposed 19 million records containing personal data linked to national identity
Ryanair
Attackers claim to have stolen court documents, flight data, and banking details posted on hacker forums.
CISA/US Government Agency
Unnamed U.S. department breached through Cisco vulnerability; FIRESTARTER backdoor provided persistent access through March 2026
SplitVPN
Data breach exposed personal records of approximately 865,000 users (Russian VPN provider)
Fidelity Brokerage Services
Data breach resulting in $1.25M regulatory fine
Bank of Baroda
Alleged data breach affecting customer data
ANTS (French Identity Agency)
19 million records exposed in cyberattack on France's national identity agency
UK BioBank / Alibaba
500,000 Britons' private health records offered for sale on Chinese website; de-identified data advertised
Instructure Canvas
ShinyHunters breach claimed 275 million records from 8,809 schools, exposing student and staff data
Cognizant
Data breach on April 21, 2026; personal information exposed; company offers $1 million identity theft cover
ANTS (French National Agency)
Cyberattack exposed 19 million records from France's identity agency with personal data linked to ID systems
U.S. Government Agency (CISA)
Unnamed federal agency breached via Cisco vulnerability; FIRESTARTER backdoor maintained access through March
US Government Agency (unnamed)
CISA agency breached through Cisco vulnerability; FIRESTARTER backdoor allowed persistent access through March 2026
Ransomware attack affected 169,000 patients across two facilities
Ransomware attack affected 169,000 patients across two facilities
Adams County
Ransomware attack crippled county servers, week-long restoration