Ransomware Economy Players, Pentest War Stories, & Ransomware Groups Working Together – ESW #329

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John Shier
Field CTO, Threat Intelligence at Sophos

John Shier is a Field CTO, Threat Intelligence at Sophos with more than two decades of cybersecurity experience. He’s passionate about protecting consumers and organizations from advanced threats, and has researched everything from costly ransomware to illicit dark web activity, uncovering insights needed to strengthen proactive cybersecurity defenses.

John is often consulted by press, and has been quoted in publications like Reuters, WIRED, Fortune, CNN, The Hill, Fast Co, Yahoo, and more. He’s also a frequent speaker at industry events like RSA Conference, Infosec, Cebit, Gitex, and more.

Based in Toronto, John is available on Twitter (@john_shier) and can be reached via email at [email protected].

Snehal Antani
CEO and Co-Founder at Horizon3.ai

Snehal Antani is co-founder and CEO of Horizon3.ai. Prior to Horizon3.ai, he was CTO of Joint Special Operations Command (JSOC), CTO of Splunk, and a CIO within GE Capital. Antani holds 18 patents granted by the USPTO in data processing, cloud computing, and virtualization. He regularly participates in keynote speeches and often writes articles on leadership, innovation, digital transformation, data security, and cloud security.

Jon Miller
CEO & Co-Founder at Halcyon

Jon Miller is the CEO & Co-founder of Halcyon with 25+ years working in the cybersecurity industry. Prior to Halcyon, Jon was the CEO & Co-founder of Boldend, a next-generation defense contractor focused on building offensive tools for the US Government. Previous to Boldend, Jon held the title of Chief Research Officer of Cylance (now Blackberry) where he focused on malware and product efficacy. Prior to Cylance, Jon was employee number 70 at Accuvant (now Optiv) where with a group of others he helped build and lead the largest technical consultancy at the time Accuvant LABS, working with over 95% of the Fortune 500 as an offensive security expert. Before Accuvant, Jon was a ten year veteran penetration tester, serving as one of the first in the industry working for the Internet Security Systems (now IBM) X-Force.


Senior Vice President, Audience Content Strategy at CyberRisk Alliance
Sr. InfoSec Consultant at Online Business Sytems
Brainstem Hacker and InfoSec Enthusiast at Redacted