DDoS attacks on banks have returned, and the attackers are changing their tactics and expanding their attack toolsets. How must organizations change the way they defend against DDoS? Carlos Morales of Arbor Networks shares strategies.

Prolexic's CEO Scott Hammack says battling distributed-denial-of-service attacks has become part of everyday business. And during this in-depth interview, he explains why.

Phishing attacks are up, and the methods are changing. Paul Ferguson of the Anti-Phishing Working Group explains how phishers are fine-tuning their schemes and exploiting cross-platform technologies.

We now have seen three waves of DDoS attacks on U.S. banks, and Dan Holden of Arbor Networks says we have seen three distinct shifts in these incidents. What can we expect going forward?

Authenticating appropriate network administrators and employees has become increasingly challenging, especially for healthcare organizations and regional banking institutions, says Tim Ager of Celestix.

Business line managers are in better positions to control and monitor network and system access privileges than IT departments, since they know their employees and the privileges they should be provided, says Bill Evans of Dell Software.

New research says more than 25 percent of consumers hit by a data breach later become victims of identity fraud - especially when payment card information is exposed. Javelin's Al Pascual shares analysis.

To improve security and increase workforce productivity across an enterprise, a set of integrated capabilities is needed, says Corey Williams, senior director of product management at Centrify.

Because data stored in a cloud-based "sandbox" environment for testing purposes is vulnerable, it should be masked to protect sensitive information, says Karen Hsu of Informatica.

The growth in cloud computing and mobility is creating a need for a streamlined, centralized process for managing user authentication, says Sarah Fender of PhoneFactor.