162k_yahoo.txt -

is a well-known credential list used primarily by cybersecurity researchers, ethical hackers, and occasionally malicious actors for credential stuffing and password cracking simulations . What is it?

While Yahoo has suffered some of the largest data breaches in history—most notably the 2013 and 2014 hacks affecting billions of accounts—this specific file is often found in "Combo Lists" circulating on underground forums like RaidForums (now defunct) or BreachForums. : Usually structured as username@yahoo.com:password . 162k_yahoo.txt

: If you still use the password found in such lists for any current account, change it immediately and enable Multi-Factor Authentication (MFA) . is a well-known credential list used primarily by