Data security

Familiar recriminations and calls for legislation from lawmakers followed the massive hack of the Starwood hotel chain, but will Capitol Hill actually do anything?

The first wave of data from this year's holiday shopping season is in, providing insights into where the biggest fraud threats are likely to originate in the final weeks of the year.

It’s too soon for Marriott International Inc. to estimate the cost of the massive cyber breach that the company disclosed last week, and other companies that have suffered big attacks are imperfect proxies, said Chief Financial Officer Leeny Oberg at an investor conference today.

Since banks are under constant attack by hackers, the startup XM Cyber is offering them a simulator that seeks to do its virtual worst in order to prevent a real breach.

Consumers are stuck using outdated or easily compromised means of proving their identities in a world where banks and retailers need something better. Mastercard and Microsoft are teaming up to take on this monumental challenge.

Bluefin Payment Systems is rolling out a service to simplify compliance tasks for merchants that have adopted point-to-point encryption (P2PE) services to protect card data at every stage of the transaction.

Businesses need to prove that they have taken all possible actions to inform and mitigate the damage during an event, writes Ryan Wilk, vice president of customer success for NuData Security, a Mastercard company.

U.S. banks and other financial firms are projecting higher spending on cybersecurity as they face bigger threats and more attacks.

An invisible payment becomes a lot more visible when it’s compromised, making Marriott’s data breach a threat to one of the most important innovations in retail, which should scare everyone from Uber to Amazon.

Marriott International Inc. said it’s investigating a hack of the guest reservation database at its Starwood unit that may be one of the biggest such breaches in corporate history. Marriott shares slumped 5.6 percent in pre-market trading.