Target is the high-profile example, but many organizations have been breached through third-party vulnerabilities. Where are the security gaps, and how can they be filled. BitSight's Stephen Boyer offers insight.

Email fraud has existed since the advent of email. But the schemes are evolving and impacting organizations' bottom lines. Robert Holmes of Return Path offers new strategies to defeat fraud attempts.

Recognizing the behavior of an intruder, rather than relying on digital signatures, will prove to be a better way to prevent hackers from pilfering data and creating havoc in IT systems, says Radware CEO Roy Zisapel.

Data breaches are inevitable, hence it's up to executives to ensure their enterprise is secured, without trying to encrypt everything, warns Prakash Panjwani, president and chief executive officer of SafeNet.

Texas Chief Information Security Officer Brian Engle, like other CISOs, has voiced concerns that the state government didn't have sufficient staffers and managers with the right set of IT security skills. Engle, however, did something about it.

The increase in sophisticated hacking attacks will lead other sectors to follow the lead of the financial services industry in implementing multifactor authentication, says Ken Hunt, CEO of VASCO Data Security International.

CISOs are moving from being entrenched in technology issues to becoming more involved in top-level business matters, which requires new skills, says George McCulloch, who leads the new Association for Executives in Healthcare Information Security.

To help protect health data as cyberthreats evolve, healthcare CIOs must roll out a "blended strategy" for security, says Charles Christian, new chairman of the College of Healthcare Information Management Executives, an association of CIOs.

The FBI has attributed the Sony hack to North Korea, in part by analyzing the messages left by the "G.O.P." attackers. But linguistics expert Shlomo Engelson Argamon says the messages appear to have been written by native Russian speakers.

Ninety percent of even the largest global firms are susceptible to targeted attacks. And if adversaries want to get in, they can, says Peter George, CEO of Fidelis Security Systems, who discusses new security strategies.