Ryan Fetterman's Blog Posts
Ryan is a Senior Security Strategist at Splunk on the SURGe team, joining after a decade spent in windowless basements conducting government research and consulting. Ryan holds Doctorate and Masters degrees from George Washington University, and a cybersecurity undergraduate degree from Penn State University. He sometimes holds controversial opinions like “you don’t need Machine Learning for that.”
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Predicting Cyber Fraud Through Real-World Events: Insights from Domain Registration Trends
By analyzing new domain registrations around major real-world events, researchers show how fraud campaigns take shape early, helping defenders spot threats before scams surface.
Introducing… The Threat Hunter’s Cookbook!
The security experts on the SURGe team have released The Threat Hunter’s Cookbook, a hands-on guide for security practitioners that features actionable insights into threat hunting methods, ready-to-use queries, and more.
Defending at Machine Speed: Guiding LLMs with Security Context
Enhance LLM performance for cybersecurity tasks with few-shot learning, RAG, & fine-tuning guide models for accurate PowerShell classification.
Defending at Machine-Speed: Accelerated Threat Hunting with Open Weight LLM Models
Splunker Ryan Fetterman explains how Splunk DSDL 5.2 enhances cybersecurity operations, streamlining PowerShell script classification and reducing analyst workload by 250x.
Autonomous Adversaries: Are Blue Teams Ready for Cyberattacks To Go Agentic?
Explore the impact of autonomous adversaries on cybersecurity as AI and LLMs evolve.
Macro ATT&CK for a TTP Snack
Splunk's Mick Baccio and Ryan Fetterman explore 2024's macro-level cyber incident trends through the lens of the MITRE ATT&CK framework.