Multi-Factor Authentication is the single most effective barrier against credential stuffing. Even if a hacker has your password from a list, they cannot bypass the secondary code.
Hackers use automated scripts to test these credentials against high-value targets like the Verizon Login Portal or third-party financial apps. 8k verizon.net Old_Deep.txt
When a file like Old_Deep.txt surfaces, it typically contains "email:password" pairs harvested from historical breaches. 8k verizon.net Old_Deep.txt