: These lists are used by bad actors for "credential stuffing," where they use automated scripts to try the same password on other sites like Amazon, Netflix, or iTunes .
: While Yahoo had massive breaches in 2013 and 2014 affecting billions of accounts, smaller curated lists like the "121K zip" are often compiled using infostealer malware . This malware infects a user's computer and steals their login credentials directly from their browser, rather than hacking Yahoo's main servers. Download 121K Yahoo zip
This file is a "combolist"—a collection of stolen usernames and passwords—and is part of the broader history of Yahoo's massive data security failures. What is in the "121K Yahoo zip"? : These lists are used by bad actors
If you encounter a link to "Download 121K Yahoo zip," it is highly dangerous for several reasons: This file is a "combolist"—a collection of stolen
: These files often contain "recycled" data—information from older breaches that is repackaged and shared as if it were new to trick other low-level cybercriminals. The Risks of Downloading It