250k Yahoo.txt May 2026

Simple text files containing thousands of email addresses used by spammers or for credential stuffing attacks.

Combinations of email addresses and passwords from various breaches, such as the 2012 "Yahoo! Voices" incident which exposed over 450,000 unencrypted credentials. 250k yahoo.txt

In June 2018, Yahoo's UK arm was fined £250,000 by the Information Commissioner's Office (ICO) following a massive 2014 data breach that affected over 500 million users worldwide. The ICO cited "systemic failures" in protecting the personal data of approximately 515,000 UK account holders. Simple text files containing thousands of email addresses