As a long-time security leader, Qualys CISO Mark Butler has watched the evolution of security tools and platforms. The best-of-breed approach still has value, but also has failed us, he says. How can automation and orchestration provide new business value?

Leading the latest edition of the ISMG Security Report: Inside the darknet marketplaces that serve cybercrime-as-a-service buyers and sellers. Also, why the healthcare sector remains so bad at detecting data breaches and blocking ransomware.

On cybercrime forums and darknet marketplaces, there's an abundant supply of cybercrime products and services and lots of demand, plus prices remain low, says Flashpoint's Liv Rowley. All that's needed to leverage the products and services to make a profit, she says, is a bit of knowledge.

As big-data analytics matures, it will play a bigger role, but security information and event management software, or SIEMs, will also remain essential, contends Gary Warner, director of research in computer forensics at the University of Alabama at Birmingham.

After two years on the sidelines, watching what he calls the expansion of "cyber insurgency," Tom Kellermann declares himself "back on the field" as chief cybersecurity officer at Carbon Black. How have threats evolved, and what is his hands-on mission?

A class action lawsuit filed against Allscripts in the wake of a ransomware attack that recently disrupted patient care at hundreds of healthcare practices will spotlight a variety of critical security and legal issues, says Steven Teppler, the plaintiffs' attorney, in this in-depth interview.

With the explosive growth of the internet of things, and the increasing threat posed by botnets that leverage IoT, more must be done to ensure IoT devices include security by design, says David Holmes, principal threat researcher at F5 Networks, who offers a strategy.

Leading the latest edition of the ISMG Security Report: Ransomware crypto-locks customer data stored by a cloud-based service provider. Also, there's a move afoot to use blockchain technology to better protect people's personally identifiable information.

Blockchain holds potential for supporting secure health data exchange, but it has limitations that organizations need to keep in mind, says Intel's David Houlding in this in-depth interview on the technology.

Organizations in the Middle East and Central Asia are beginning to respond to the nuances of the evolving threat landscape in the region, says Tata Communication' Avinash Prasad in this exclusive interview.