Gartner Analyst Avivah Litan, one of the first fraud experts to report the Global Payments Inc. data breach, says the latest revelations raise more questions than answers about the incident's impact.

IPv6, known to some as the new Internet, is architected to be safer than IPv4, but that doesn't mean organizations shouldn't take steps to assure the security in Internet Protocol version 6, American Registry for Internet Numbers' John Curran says.

In the wake of the Global Payments Inc. card breach, ID theft expert Neal O'Farrell says banks and credit unions must be proactive with outreach to customers. What should institutions' messages include?

As enterprises spend frugally on IT security, cybercriminals aren't, and that presents big problems for organizations working feverishly to secure their digital assets, says Steve Durbin, global vice president of the Information Security Forum.

From 2010: When he first learned of the full magnitude of the Heartland Payment Systems data breach, Heartland CEO Bob Carr had one overriding thought: "Can we survive this?"

Mobile device management systems are relatively immature, so shoppers need to ask probing questions about the systems' functionality, advises security consultant J. David Kirby.

Organizations and leaders seeking to assure the privacy of their customers should implement privacy by design in the development process, privacy lawyer Alan Friel says.

"Many financial institutions have watched for years as cybercrime has escalated, and now we are shutting it down," says Greg Garcia, describing Operation B71 and how it's helping combat ACH/wire and other forms of fraud.

The average per capita cost of a data breach has declined from $214 to $194, according to the new Cost of a Data Breach study. But there are still plenty of causes for concern, says Dr. Larry Ponemon.

Verizon's 2012 Data Breach Investigations Report shows dramatic increases in attacks linked to hacktivist groups like Anonymous and LulzSec. How should organizations respond to this evolving threat?