As the adversaries develop new methods to strike at increasingly vulnerable digital infrastructures, it is time businesses take a hard look at the way defense is approached and recast security models to drive the cost to the attacker up, says Palo Alto Network's Sean Duca.

The 21st Century Cures Act presents a number of critical but challenging issues pertaining to the advancement of nationwide secure health information exchange that federal regulators must address, David Kibbe, M.D., president and CEO of DirectTrust, explains in this in-depth interview.

In this special edition of the ISMG Security Report, you'll hear an edited version of an ISMG Fraud and Breach Prevention Summit keynote panel in which current and former federal cybersecurity officials assess the IT security agenda of the Donald Trump administration.

Leading the latest edition of the ISMG Security Report: Secretary John Kelly's congressional testimony on how DHS led government efforts to mitigate the WannaCry ransomware attacks. Also, reports on ransomware defenses as well as big data and machine learning combining to secure IT.

Healthcare entities need to take a critical step right now to prevent their medical devices from being affected by the next major ransomware attack, says cybersecurity expert Kevin Fu.

The WannaCry ransomware outbreak showcases the problem: Security pros are overwhelmed by vulnerabilities that could be simple to mitigate, if only they had the right info at the right time. Humphrey Christian of Bay Dynamics discusses how to improve vulnerability risk management.

The WannaCry ransomware outbreak was a huge "wake-up call" for the global information security community, says Dan Schiappa of Sophos. It's time to patch those legacy systems and prepare for the inevitable next big crimeware scare, he says.

Big data and machine learning will play increasingly critical roles in improving information security, predicts Will Cappelli, a vice president of research at Gartner, who describes the reasons why.

Voice biometrics: Is it good enough to protect people's bank accounts? Also, the ISMG Security Report goes to Belfast, Northern Ireland, for this year's OWASP AppSec Europe conference, including a visit to the Titanic museum - hopefully not a metaphor for the discipline.

Information security and fraud departments at financial institutions need to improve their collaboration to help fight multichannel cyberattacks, say John Buzzard and Paul Love of CO-OP Financial Services.