Data leak

IDMerit MongoDB KYC Data Exposure - 1 Billion Records

πŸ“… 2025-11-11 🏒 MongoDB (cloud database)
Primary Source β†—

Incident Details

Cybernews researchers discovered on November 11, 2025, that IDMerit (a US identity verification and KYC/AML services provider) had left a MongoDB database publicly exposed without authentication. The database was secured November 12, 2025. Disclosure occurred February 18, 2026 (99 days after discovery). The exposed database contained approximately 1 billion personally identifiable records across 26 countries, including full names, addresses, national ID numbers, dates of birth, phone numbers, email addresses, telecom metadata, and KYC/AML verification logs. The US accounted for 203 million records, Mexico 124 million. No confirmed malicious access was reported, and no regulatory enforcement actions were announced as of February 2026.

Technical Details

Initial Attack Vector
Misconfiguration: IDMerit left a MongoDB database containing KYC identity verification records publicly accessible on the internet without authentication
Vendor / Product
MongoDB (cloud database)

Timeline

  1. 2025-11-11 Breach occurred
  2. 2026-02-18 Publicly disclosed