Did hackers access the credit bureau's computers two months earlier than the company first thought?; the Fed's decision to start unwinding its balance sheet should raise rates and boost bank profits.

Historically, the industry has placed much greater emphasis on preventing fraud at the point of transaction without doing enough to stop fraudulent account openings, writes Melissa Townsley, co-founder and CEO of GIACT systems.

Consumers and merchants in a digital ecosystem are changing the way people interact with each other and machines, changing payments and requiring an updated approach to security, according to Mastercard.

Federal Reserve Chair Janet Yellen said Wells Fargo’s treatment of customers was “egregious and unacceptable," hinting that more regulatory action was likely.

Equifax's data breach may be the most serious, given that it covered 143 million consumers and involved reams of confidential information, but it wasn't the largest. Following are the biggest to date.

Software PIN pads can be compromised by crooks who intercept the PIN after it's typed. MagicCube attempts to position itself "in the middle" to block these hacking attempts.

Data breaches and payment hacks require not only tech measures, but crisis management. Had Equifax gotten out in front of the story, particularly during the slow news period of August, it would have earned kudos and perhaps mitigated some of the public scrutiny, writes David E. Johnson, CEO of Strategic Vision.

Sen. Elizabeth Warren, D-Mass., called for bipartisan action against Equifax during a Senate floor speech on Tuesday, criticizing the credit bureau for waiting several weeks after a massive data breach to reveal it to the public.

The Equifax breach has millions of Americans now thinking about freezing their credit to guard against identity theft. But those who act could be cutting themselves off from the nation's vast credit economy.

Normally tight-lipped about security moves, bankers tell how they are re-examining their systems for Equifax-like flaws and providing new cards, fresh accounts and reassuring advice for anxious customers.