These files are rarely from a direct Spotify breach. Instead, they are typically compiled through credential stuffing . Attackers take passwords leaked from other websites and use automated scripts to see if they work on Spotify.
This file often contains a list of 50 sets of account credentials (usernames/emails and passwords) for Spotify Family accounts.
Such lists are frequently shared or sold on "dark web" forums or Telegram channels. Buyers use them to "freeload" on someone else's premium subscription. Impact on Users:
Hackers often use these accounts to boost streams for specific artists, which can ruin your "Discover Weekly" and "Year Wrapped" statistics.