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.

Reports on how the U.S. Congress is taking steps to toughen cybersecurity lead the latest edition of the ISMG Security Report. Also, an analysis of a Government Accountability Office study on the IoT landscape and the security threats facing the internet of things.

Beyond improving their patch management practices, what else can organizations do to avoid falling victim to ransomware attacks such as WannaCry? Security expert Doug Copley offers advice.

The words of Assistant to the President Thomas Bossert, who boldly pledges to outdo previous administrations on improving federal government cybersecurity, lead the latest edition of the ISMG Security Report. Also, Microsoft's exasperation with the NSA over WannaCry ransomware.