Cybercriminals are "upping their game" by stealing and then auctioning off on the dark web administrative access credentials to healthcare organizations' clinician and patient portals, says Etay Maor of IntSights.

This week's ISMG Security Report analyzes the cost of business email compromise attacks and the recent arrest of dozens of suspects. Also featured: updates on the easy availability of low-cost hacking tools and the latest payment card fraud trends.

Insider threats are difficult to counter. What happens when an employee goes rogue, and how do you catch them? Charles Carmakal of Mandiant, who says his firm is dealing with more insider threat investigations, shares tips for better defenses.

In the past year, cybercriminals behind two of the biggest ransomware attacks have abandoned other techniques in favor of exploiting remote desktop protocol. Matt Boddy of Sophos explains why RDP attacks are so popular - and what you can do to discourage them.

This week's ISMG Security Report takes a close look at whether an iPhone hacking campaign may be linked to Android spying campaigns by China. Plus: Do ransomware gangs target organizations that have cyber insurance?

ISMG and Cybereason visited Dallas on their "Indicators of Behavior" roundtable dinner tour. And Cybereason CSO Sam Curry says the discussion validated the notion that it's time to reimagine incident detection and response.

Security needs to be reinvented for the internet of things, and start-up companies can play a critical role, says Robin Saxby, the former CEO and founder of Arm Holdings, a U.K.-based semiconductor company, who now invests in start-up firms.

What role does security play in an enterprise's digital transformation? ISMG and Nominet recently raised this question to a group of security leaders in Las Vegas. The answers were eye-opening. Stuart Reed of Nominet shares his reaction to the roundtable discussion.

The latest edition of the ISMG Security Report offers an analysis of how French cyber police disrupted a cryptomining malware gang. Also featured: Apple's botched patching of a jailbreaking vulnerability; an industry veteran's insights on battling payment card fraud.

Artificial intelligence and machine learning must be judiciously used, such as when monitoring internet of things devices, says David De Roure, professor of e-research at the University of Oxford, who offers insights on IoT risk management.