Fraud detection

Ramamurthi has transformed a 123-year-old institution with one branch serving a dusty Kansas town into a seedbed for disruptive financial technology — not to mention a wildly profitable generator of fee income.

The Dec. 2 mass shooting has shone a light on the sector's vulnerability to borrowers who, exploiting the absence of face-to-face contact on the Internet, lie on their loan applications.

The debate over whether signatures or PINs are a stronger security feature overlooks the fact that neither is the most important defense against fraud.

As shopping goes digital, so does fraud. The rise in technology at shoppers' fingertips provides many new channels for scammers to exploit, often leaving banks holding the bag.

Buying stolen data is an effective way for banks to determine the source of a breach. But fraudsters are increasingly putting up roadblocks because such deals might make it tougher for them to break in next time.