Dr. Xenia Mountrouidou

Principle Data Scientist

Xenia Mountrouidou is a Principal Cyber Data Scientist at Expel with 10+ years of research experience in security, machine learning, and data analytics. She has authored scholarly papers in the areas of detection and ML. She enjoys creating AI models for detection and finding hidden patterns with ML algorithms.

Posts by Dr. Xenia Mountrouidou

Product | 3 min read
New Ruxie AI power up: Getting to the “so what” of your alerts faster

We’ve added a new natural language summary feature to Expel Workbench™, powered by Ruxie, our AI and automation engine. 

Product | 4 min read
New Expel AI upgrade: “Pop the hood” on our detection strategies

Expel added new AI-generated descriptions to our detection rules, written in plain English, to improve transparency and understanding.

Product | 4 min read
New Ruxie AI power-up: User context summary turns ‘who?’ into ‘what’s next?’

User context summary is a new Expel AI power-up that automatically queries identity tools to gather relevant user details for an alert.

Product | 6 min read
From data to deployment: A deep dive into building our AI Resolutions (part two)

Dive deeper into Expel's AI Resolutions (AIR) and understand how we developed and tested this feature for our analysts.

Product | 3 min read
Explaining the ‘why’: Our vision for AI-powered alert transparency (part one)

Expel created AI Resolutions (AIR) uses AI to generate detailed, data-backed explanations for why a security alert was considered benign.

Data & research | 8 min read
Key findings generation with GenAI

At Expel, we AI Responsibly. Our latest project focused on generating key findings (KF) to detail incident investigations.