UK BioBank / Alibaba
500,000 Britons' private health records offered for sale on Chinese website; de-identified data advertised
Education Sector Data Breaches (12802 indexed)
US Government Agency (unnamed)
CISA agency breached through Cisco vulnerability; FIRESTARTER backdoor allowed persistent access through March 2026
ANTS (French National Agency)
Cyberattack exposed 19 million records from France's identity agency with personal data linked to ID systems
Cognizant
Data breach occurring April 21, 2026 affecting customers with personal information exposed
Huntsville Hospital Health System
Third-party data breach compromised patient information
Laurel Eye Clinic
Security incident exposed patient data in ransomware attack
Mexican Government (9 agencies)
Single hacker exploited Claude Code and OpenAI platforms to breach 9 Mexican government agencies
Intesa Sanpaolo S.p.A.
Employee unlawfully accessed customer data over two years
ShinyHunters (multiple brands)
Hacking group claimed compromise of 9 major brands including Zara, affecting 9M+ records
Nissan
Data breach involving information held by third-party vendor
ANTS (France Identity Agency)
19 million records exposed in cyberattack on French national ID agency
Mexican Government Agencies
Single hacker compromised 9 government agencies using Claude Code and OpenAI tools
ANTS (French Identity Agency)
19 million records exposed in cyberattack on France's national identity agency
Rockstar Games
Breach through compromised Anodot Snowflake access by ShinyHunters group; 165 organizations affected in cascading attack.
bol.com
Third-party logistics partner hacked, affecting online retailer's operations and customer data
China-linked malware on USB drives used on classified networks, undetected for nearly a
China-linked malware on USB drives used on classified networks, undetected for nearly a year
Legend Senior Care
Senior care provider affected by ransomware attack exposing patient data
ShinyHunters
ShinyHunters breached Rockstar Games via Snowflake; 165 organizations affected in supply chain attack
SUCCESS
253,510 records exposed — Device information, Email addresses, IP addresses, Names and 4 more
CISA (U.S. Federal Agency)
Unnamed U.S. department breached through Cisco vulnerability; FIRESTARTER backdoor allowed access through March 2026
Tribeca Festival
Data leak exposed hundreds of thousands of records and contact info for celebrities
ANTS (France ID Agency)
Cyberattack exposed 19 million records from French national identity agency
Puerto Rico Government Agency
Mapping service exposed 1 million Social Security numbers
CISA/US Department
US agency breached through Cisco vulnerability, FIRESTARTER backdoor allowed access through March