The file "91x NordVPN.txt.txt" is a compiled list of leaked credentials, likely resulting from credential stuffing attacks rather than a direct breach of NordVPN's infrastructure. Security experts indicate such files contain reused credentials and recommend immediately changing passwords and enabling multi-factor authentication if impacted.
NordVPN Denies Breach After Hacker Leaks Data - SecurityWeek 91x NordVPN.txt.txt