Speaker

Jeff Tomkiewicz

Jeff Tomkiewicz

Offensive Security Engineer

Colorado Springs, Colorado, United States

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Jeff Tomkiewicz is a Offensive Security Engineer for a Healthcare Fortune 40 organization, where he specializes in network penetration testing, social engineering, and physical penetration testing. With a rich background as a 21-year Air Force veteran, Jeff has served in various capacities, including K9 handler and trainer, Intelligence, and Special Operations. Residing in Colorado Springs, CO, where interests span upon horror films, performing in improv shows, Muay Thai, gardening, and raising chickens, reflecting his diverse passions and dynamic personality.

Area of Expertise

  • Information & Communications Technology

Topics

  • cybersecurity
  • penetration testing
  • open source intelligence (osint)
  • Social Engineering and Phishing:
  • Physical Penetration Testing
  • Active Directory

Fortify Active Directory: Combatting Misconfigurations

This presentation delves into the critical issue of common network misconfigurations in large organizations as highlighted by a joint cybersecurity advisory from the NSA and CISA. Focusing specifically on Microsoft Active Directory (AD), the talk explores the top 10 security vulnerabilities that cyber actors often exploit. Participants will gain a understanding of how these misconfigurations work in AD environments and the best practices for mitigating them. This presentation is essential for IT professionals and security administrators seeking to enhance their cybersecurity posture against sophisticated threats.

RTV cron User group Sessionize Event

March 2025

Jeff Tomkiewicz

Offensive Security Engineer

Colorado Springs, Colorado, United States

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