Visa plans to acquire BioCatch, an Israeli company whose artificial intelligence software detects fraud by distinguishing legitimate users from attackers in real time, for $2.4 billion in cash.

The deal was reported by Katherine Hamilton of the Wall Street Journal, in an item aggregated by Techmeme. According to that reporting, the purchase price is all cash.

BioCatch's pitch is straightforward, even if the technology behind it isn't: rather than relying only on passwords, one-time codes, or card details, its systems try to judge in the moment whether the person on the other end of a transaction is who they claim to be. That real-time distinction between a genuine customer and an attacker is the core of what Visa is buying, according to the Wall Street Journal's description.

For Visa, the logic of paying billions for fraud-detection software is about what sits underneath its business. Visa doesn't just move money; it underwrites trust in the moment a payment is approved or declined. Every fraudulent transaction that slips through carries a cost, and every legitimate one wrongly blocked carries a different kind of cost, in abandoned purchases and irritated customers. Software that sharpens that judgment call has value across a network Visa's size.

The acquisition also puts a price tag on a category that has quietly become strategic. As scams grow more sophisticated and increasingly involve tricking real people into authorizing payments themselves, checking credentials alone is no longer enough — the question becomes whether the person behaving like the account holder actually is one.

Why it matters: a $2.4 billion cash bet from the world's largest payments network signals that identifying fraudsters in real time has become core infrastructure for digital commerce, not an add-on feature.