What is hostile profile takeover, and why does this emerging threat pose such a risk to smart phone users? Dave Jevans, CTO of Marble Security, describes this and other new mobile threats.

The average insider scheme lasts 32 months before it's detected, says threat researcher Jason Clark, who suggests using a combination of the right technologies and the right processes is the key to improving detection.

Mary Galligan, the just-retired head of the FBI's New York cyber unit, says the federal government can do more to help businesses take all the right steps to protect sensitive information and prevent breaches.

Banking institutions and merchants are fighting back against cyber-attacks by sharing information and assisting law enforcement investigations, says Julie Conroy of Aite, which has issued a report about account takeover and cyberfraud trends.

To mark his induction into the National Cyber Security Hall of Fame, Purdue University Computer Science Professor Eugene Spafford offers insights on key challenges, including overcoming senior executives' misperceptions about key issues.

Face-to-face and over-the-phone social-engineering schemes are increasingly used to perpetrate fraud, highlighting the need for more education and real-time transaction monitoring, says Gartner's Avivah Litan.

Knowledge-based authentication is no longer reliable, says fraud expert Avivah Litan, an analyst at Gartner. She explains why so-called behavioral authentication is the only reliable way to verify users.

Attacks waged for cyber-espionage, fraud, DDoS and other nefarious deeds are increasingly being hired out to sophisticated hackers for specific purposes, says Symantec researcher Kevin Haley.

What are the distinct phases of the fraud lifecycle, and how can banking institutions intervene at each stage to prevent losses? Daniel Ingevaldson of Easy Solutions offers fraud-fighting tips.

Mitigating card risks associated with retail malware attacks and POS vulnerabilities is a focus of updates to the PCI Data Security Standard, say Bob Russo and Troy Leach of the PCI Security Standards Council.