[Thiago]’s bank uses a few methods besides passwords and PINs to verify accounts online and at ATMs. One of these is a ‘security card’ with 70 single use codes, while another is an Android app that ...

Update, July 22, 2025: This story, originally published on July 20, has been updated with an expert counterpoint to the idea that it’s the delivery mechanism being what’s important in the latest ...