The name follows a standard convention used by malicious actors to describe the contents of a breach:
These lists are rarely from a single hack on Google itself. Instead, they are compiled from various unrelated data breaches where users have reused their Gmail address as a login for other websites. When those smaller sites are compromised, the credentials are added to a "combo list". 3. The Use Case: Credential Stuffing GMAIL 1K UHQ.txt
: Specifies the quantity of entries (lines) in the file—1,000 pairs of usernames and passwords. The name follows a standard convention used by
immediately on any account using those credentials. these are typically mass-sent scams.
any suspicious emails that use your old password to threaten you; these are typically mass-sent scams.