310k Uhq Combo Usa & Europe 2023.txt Apr 2026

The "310K UHQ COMBO USA & EUROPE 2023.txt" file contains a large, curated list of approximately 310,000 compromised username and password pairs, widely used in automated credential stuffing attacks to breach user accounts across the US and Europe. These "Ultra High Quality" lists, derived from 2023 data breaches, pose significant risks for identity theft and account takeover, particularly for individuals who reuse passwords across multiple platforms.