BIN Attacks Explained: What Banks Must Watch For

One of the biggest fraud threats of 2025 isn’t sophisticated — it’s fast.

BIN attacks happen when fraudsters rapidly test card numbers, expiration dates, and CVVs until they find a valid combination. These attacks often hit small merchants first and can explode in seconds.

In this clip, Tony DeSanctis and Lindsay Hooks explain:

What BIN attacks look like in real time

The transaction patterns banks should watch for

How to defend using card randomization, 3D Secure, and dark web monitoring

If you issue cards, this is something you can’t ignore.