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      The Renaissance of NTLM Relay Attacks

      NTLM relay attacks have been around for a long time. While many security...

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  • Platform
    • BloodHound Enterprise

      Advance from mapping to eliminating attack paths with the enterprise platform that delivers at scale

      Identity Attack Path Management
      Privilege Zones
      BloodHound Scentry
      Integrations
      Interactive Demo
      APM Maturity Assessment Tool

      BloodHound Community Edition

      Start mapping attack paths with the open-source tool that started it all

      GitHub
      OpenGraph
      Documentation
      Join the Community on Slack

      BloodHound Scentry

      Accelerate your APM practice and reduce identity risk with expert guidance to protect your critical assets.

      Read More
  • Services & Tradecraft
    • OFFENSIVE SERVICES

      Red Team
      Purple Team
      AI Red Team
      Penetration Testing
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      Attack Path Assessment

      TRAINING

      Adversary Tactics

      Red Team Operations
      Identity-Driven Offensive Tradecraft
      Detection
      Tradecraft Analysis

      Adversary Perspectives

      Active Directory
      Azure

      TRAININGS

      SO-CON 2026

      Master in-demand skills with our specialized courses at SO-CON 2026.

      Register Now
  • Solutions
    • SOLUTIONS

      Privileged Access Governance & Compliance
      Eliminate Lateral Movement
      Manage Identity Risk
      Secure Scaling
      Mergers & Acquisitions

      INDUSTRIES

      Public Sector
      Healthcare
      Financial Services

      PARTNERS & INTEGRATIONS

      Partners
      Integrations

      RESOURCES

      Attack Path Management Maturity Model

      Evaluate your ability to stop identity-based attacks

      Read the Whitepaper
  • Community
    • Our Commitment to 
Open Source

      Committed to advancing the community through open source contributions, cutting-edge research, and knowledge sharing

      OPEN SOURCE TOOLS

      BloodHound Community Edition
      Mythic
      Ghostwriter
      Nemesis
      See All Tools

      Join the Conversation

      Learn from others and share your story on the BloodHoundGang Slack Community

      Connect with us

      OPEN SOURCE RESEARCH

      Ghostwriter illustration

      Collaborative Editing

      Ghostwriter now supports real-time collaborative editing for observation...

      More Info
  • Company
    • ABOUT US

      Why SpecterOps
      News

      GET IN TOUCH

      Careers
      Contact Us

      PRESS RELEASE

      Specter Ops logo on a blue background

      SpecterOps Launches BloodHound Scentry to Accelerate the Practice of Identity Attack Path Management

      Learn More

      FEATURED EVENT

      SO-CON 2026

      Conference: April 13-14, 2026
      Training: April 15-18, 2026

      Register
  • Resources
    • RESEARCH

      Case Studies
      White Papers
      Tools
      Datasheets
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      View All

      BLOG

      Research & Tradecraft
      BloodHound
      Industry Insights
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      View All

      EVENTS

      SpecterOps Events
      SO-CON
      Webinars
      Community Events
      Talks
      View All

      BLOG

      Specter Ops logo on a blue background

      Fueling the Fight Against Identity Attacks

      When we founded SpecterOps, one of our core principles was to build a...

      Read article

      RESOURCES

      The Renaissance of NTLM Relay Attacks

      NTLM relay attacks have been around for a long time. While many security...

      Read the Whitepaper
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Russel Van Tuyl

Vice President of Services

Russel is VP of Services at SpecterOps, leading 50+ consultants delivering advanced offensive security services. With 20+ years in infosec, he now focuses on AI, LLMs, and adversary simulation.

See the latest by Russel Van Tuyl

Merlin’s Evolution: Multi-Operator CLI and Peer-to-Peer Magic

Research & Tradecraft

Merlin’s Evolution: Multi-Operator CLI and Peer-to-Peer Magic

Image Generated by https://hotpot.ai/art-generator Over the past year, I’ve been working on making significant updates to Merlin in my free…

By: Russel Van Tuyl

9 mins

Offensive Security Guide to SSH Tunnels and Proxies

Research & Tradecraft

Offensive Security Guide to SSH Tunnels and Proxies

By: Russel Van Tuyl

23 mins

Merlin v0.8.0 Released

Research & Tradecraft

Merlin v0.8.0 Released

By: Russel Van Tuyl

9 mins

Merlin Goes OPAQUE for Key Exchange

Research & Tradecraft

Merlin Goes OPAQUE for Key Exchange

By: Russel Van Tuyl

15 mins

Merlin v0.7.0 Release & Roll-up

Research & Tradecraft

Merlin v0.7.0 Release & Roll-up

By: Russel Van Tuyl

10 mins

πŸ§™β€ Merlin v0.6.0 Beta Released

Research & Tradecraft

πŸ§™β€ Merlin v0.6.0 Beta Released

By: Russel Van Tuyl

4 mins

πŸ§™β€ Merlin Adds Support for the QUIC protocol

Research & Tradecraft

πŸ§™β€ Merlin Adds Support for the QUIC protocol

By: Russel Van Tuyl

5 mins

πŸ§™β€ Merlin v0.1.4 Released β€” Menus &Modules

Research & Tradecraft

πŸ§™β€ Merlin v0.1.4 Released β€” Menus &Modules

By: Russel Van Tuyl

3 mins

πŸ§™β€ Merlin Adds DLL Agent & PowerShell Invoke-Merlin Script

Research & Tradecraft

πŸ§™β€ Merlin Adds DLL Agent & PowerShell Invoke-Merlin Script

By: Russel Van Tuyl

4 mins

Page 1 / 2
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