The EPA Leak Exposed 13.5 Million Critical Infrastructure Contacts

HEROIC found the U.S. Environmental Protection Agency Database breach dated April 2024, exposing 13,552,952 records including email addresses, phone numbers, first names, and last names from U.S. Environmental Protection Agency, a comprehensive contact database for critical infrastructure personnel. The EPA stated no internal breach occurred and CISA and FBI confirmed the information was already publicly available, but the aggregated dataset surfaced on criminal forums.

Why the U.S. Environmental Protection Agency Breach Is Dangerous

Even publicly available data becomes dangerous when aggregated at scale and placed in criminal hands. Over 13.5 million contact records for critical infrastructure personnel, including names, emails, and phone numbers, give attackers a ready-made target list for spear-phishing, social engineering, and reconnaissance against key sectors. Criminal actors can identify, research, and contact specific infrastructure workers to attempt unauthorized access to sensitive systems or national assets.

What Was Exposed in the U.S. Environmental Protection Agency Leak

• Email addresses
• Phone numbers
• First names
• Last names

Why This U.S. Environmental Protection Agency Data Puts You at Risk

The aggregation of contact data at this scale enables targeted identity theft, phishing, and impersonation attacks against both infrastructure workers and the general public. Criminals cross-reference datasets to build detailed profiles and craft highly convincing social engineering attacks. Even without passwords, names and contact details are valuable for account recovery attempts, SIM swapping, and fraudulent impersonation schemes.

How Database Breaches Work

Database breaches occur when attackers exploit vulnerabilities such as SQL injection or misconfigured servers to extract user records directly from a site's backend database. Once inside, they can download millions of records in minutes. The stolen data is then packaged and sold or shared across criminal forums and dark web marketplaces.

Check If Your Data Was Exposed

HEROIC operates one of the world's largest breach databases, covering more than 400 billion leaked records. Use HEROIC's free breach scanner to check if your email address or credentials appeared in the U.S. Environmental Protection Agency leak or thousands of other breaches in our database.