For TalkPoverty, a publication of the Center for American Progress, I wrote about the fact that the Capital One breach put Capital One’s secured card customers at the greatest risk. Secured cards give people who ordinarily wouldn’t be approved for credit a chance to put down a security deposit and get a credit card — but often at a high price, since 3 in 4 secured card customers end up carrying a revolving balance, paying late fees and interest rates of 25%+ to borrow what is effectively their own money. TalkPoverty: I worked at Capital One. Hacks like these are most dangerous for low-income people. On LinkedIn, I express the…