Live disclosure tracker · updated continuously

2026 Data Breaches Year-to-Date

2026 continues the year-over-year growth trend in confirmed disclosures. The list below updates as new breaches are reported by Verizon DBIR partners and major security news outlets.

98B+
Records Exposed
654
Incidents
94+
Countries
+104%
Breach Velocity YoY
Browse by sector
All breaches Healthcare Finance Government Technology Retail Education Legal
Browse by year
2024 2025 2026

2026 Data Breaches Year-to-Date (654 indexed)

medium · other · Apr 9, 2026

Eurail data breach

Hackers breached Eurail in Dec 2025, stole names and passport data, and exposed over 300,000 travelers’ personal information. Threat actors breached Eurail in December 2025 and stole names and passport numbers from its n

View incident → Original disclosure Indexed 3 weeks, 4 days ago
medium · other · Apr 9, 2026

Eurail says December data

Eurail B.V., a European travel operator that provides digital passes covering 33 national railways, says attackers stole the personal information of over 300,000 individuals in a December 2025 data breach. [...]

View incident → Original disclosure Indexed 3 weeks, 4 days ago
critical · healthcare · Apr 9, 2026

Weak at the seams

Before I ever held a security title, I was a software engineer implementing vertically integrated automation systems for industrial manufacturing, warehouse-scale conveyor networks, robotic material handling, physical in

View incident → Original disclosure Indexed 3 weeks, 4 days ago
medium · government · Apr 9, 2026

A hacker has allegedly

Isaac Yee reports: A hacker has allegedly stolen a massive trove of sensitive data – including highly classified defense documents and missile schematics – from a state-run Chinese supercomputer in what could potentially

View incident → Original disclosure Indexed 3 weeks, 4 days ago
critical · other · Apr 7, 2026

The Hidden Cost of Recurring

When talking about credential security, the focus usually lands on breach prevention. This makes sense when IBM’s 2025 Cost of a Data Breach Report puts the average cost of a breach at $4.4 million. A

View incident → Original disclosure Indexed 3 weeks, 6 days ago
medium · government · Apr 7, 2026

Russia Hacked Routers to Steal

Hackers linked to Russia's military intelligence units are using known flaws in older Internet routers to mass harvest authentication tokens from Microsoft Office users, security experts warned today. The spying campaign

View incident → Original disclosure Indexed 3 weeks, 6 days ago
high · tech · Apr 6, 2026

Fortinet FortiClient EMS

Fortinet FortiClient EMS Improper Access Control Vulnerability — Fortinet FortiClient EMS contains an improper access control vulnerability that may allow an unauthenticated attacker to execute unauthorized code or comma