: Hackers use automated tools to "check" the credentials against mail servers (SMTP/IMAP). If the login works, it is added to a "valid base" file, which is much more valuable than raw, unverified data.

: Impersonating executives to authorize fraudulent wire transfers.

: These lists are sold for financial gain, with bank login credentials sometimes fetching up to $500 per record on the dark web. Exploitation : Attackers use these accounts for:

Exposure in such a database can lead to severe personal and professional consequences:

: Using personal identifiable information (PII) to open new credit lines or take out loans. Risks of Exposure

Credential Stuffing Prevention: Guide for Users & Businesses