Live Webcast|1 hour

Resilience in the crosshairs: Best practices for securing identity systems against modern threats

  • How attackers are targeting Active Directory and identity infrastructure as the path of least resistance—and how to stop them.
  • Actionable steps to improve cyber crisis readiness, with a focus on identity recovery and incident response.
  • Insights from recent research on ransomware timing, critical infrastructure risk, and real-world recovery scenarios.
July 23, 2025
2:00 PM ET
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Today's threat actors aren't just evolving—they're organizing. From ransomware gangs mimicking corporate structures to nation-state threats targeting critical infrastructure, security teams are facing an unrelenting wave of identity-based attacks. At the center of this onslaught is Active Directory (AD)—still the most common target for lateral movement and privilege escalation.

In this webcast, Semperis experts and guest speakers—including long-time Microsoft MVP Sean Deuby—will explore the real-world risks organizations face and the best practices they can follow to harden identity systems, speed recovery, and ensure business continuity. Drawing on Semperis' research into enterprise crisis readiness, critical infrastructure resilience, and ransomware timing trends, this session will arm you with the guidance you need to build resilience before attackers strike.

Event Speakers

Sean Deuby
Principle Technologist at Semperis

Sean Deuby brings more than 30 years’ experience in enterprise IT and hybrid identity security to his role as Semperis’ Principal Technologist, Americas. An original architect and technical leader of Intel’s Active Directory and a 15-time MVP alumnus, Sean has been involved with Microsoft identity technology since its inception. His experience as an identity strategy consultant for many Fortune 500 companies and an industry journalism veteran give him a broad perspective on the challenges of today’s identity-centered security.

Jeff Wichman
Director of Incident Response at Semperis

Jeff Wichman has over 25 years of information security experience in a multitude of industries, ranging from small businesses to Fortune 500 corporations. He is an expert in the design, implementation, and testing of incident management programs. Jeff’s incident response expertise extends from single crypto-malware incidents up to major corporate compromises involving thousands of systems. Prior to joining Semperis, he was a Director of Incident Response with Palo Alto Networks and was responsible for running ransomware investigations and negotiations for a variety of clients.

Adrian Sanabria
Principal Researcher at The Defenders Initiative

Adrian is an outspoken researcher that doesn’t shy away from uncomfortable truths. He loves to write about the security industry, tell stories, and still sees the glass as half full.