UAB's Terrell Herzig emphasizes training to handle multiple roles.

U.S. government agencies are eager to gain the service and cost efficiencies of cloud computing, but the Government Information Security Today survey finds they have serious reservations about information security in the cloud.

A key factor in ensuring that information technology is available in the wake of a disaster is cross-training IT staff to handle multiple roles, says Terrell Herzig, information security officer at UAB Medicine.

ThreatMetrix's Taussig says device identification must be part of layered security measures. Banking regulators want financial institutions to deploy multiple layers of online security. But what does that expectation mean when it comes to investments in fraud detection?

Cloud computing helps ease the exchange of diagnostic images while maintaining adequate security, says Amy Radonich of University of California San Diego Health System.

Ethicist Roy Snell warns of a common misperception about social media.

All employers need to overcome the common misperception that "you can say anything you want on social media and not have any consequences," says compliance specialist Roy Snell.

Domain name systems are among the least known - but most important - security vulnerabilities for organizations in all sectors. But government agencies in particular need to be concerned about DNS security to protect their e-government initiatives.

The Unisys Security Index shows growing public anxiety about Internet security. Unisys CISO Patricia Titus wonders how restless the public would be if the poll was conducted after revelations of breaches at RSA, Epsilon and Sony.

Big brother isn't the relation the government sees itself portraying in developing the National Strategy for Trusted Identities in Cyberspace. Uncle Sam has a more avuncular role in mind, giving advice and serving as a role model.