Essex NHS
Thousands of patient records stolen in cyber attack, breach disclosed 6+ months after notification
Hospitals, clinics, insurers, and medical-IT vendors are the highest-value targets in cybercrime. Below is every healthcare-sector breach LeakTrace has indexed — patient records, HIPAA disclosures, ransomware victims, and supply-chain compromises.
Thousands of patient records stolen in cyber attack, breach disclosed 6+ months after notification
Ransomware attack exposed protected health data of 1.3 million people to dark web
Cyberattack on law firm exposed hospital records of nearly 13,000 patients
Thousands of NHS patient records stolen during major ransomware attack affecting healthcare services
Publicly exposed database leaked 24 billion stolen credentials, one of largest infostealer compilations
FortiBleed campaign exposed valid administrative and VPN credentials for 73,932 FortiGate firewalls
Data breach exposed personal information and driver's license numbers of 6.9 million people
Hackers gained access to three workers' company-issued computers via social engineering
Thousands of patient records stolen in ransomware cyberattack
Data breach exposes 42 million customer records; confirmed by ShinyHunters extortion group
Aflac Japan data breach exposed 4.38M customers in June 2026; company's second major hack in over a year
Thousands of NHS patient records stolen during ransomware attack
Thousands of NHS patient records stolen in ransomware attack
Data breach exposed 42 million customer records, extortion group demanded ransom
Thousands of NHS patient records stolen in ransomware cyberattack on Mid South Essex Foundation Trust
24 billion stolen credentials leaked in publicly exposed database, largest infostealer log compilation
Ransomware attack exposed 1.3M people's protected health data leaked to dark web in 2025
35GB of internal data including source code and credentials stolen by hacker
42 million customer records exposed after breach claimed by ShinyHunters group
Personal health information of patients compromised through third-party data breach
FortiBleed exposed verified admin credentials for 73,000+ firewall and VPN devices
Patient records, personal information and medical notes stolen in cyber-attack on 21 clinics
Ransomware attack stole thousands of NHS patient records held by Essex healthcare trust
ShinyHunters exploited zero-day vulnerability (CVE-2026-35273) compromising 100+ orgs