The Great Masquerade: How AI Agents Are Spoofing Their Way In
A look into Grok's fetching behavior
Welcome
Jérôme Segura is a well-respected security researcher with a keen focus on malware analysis and the constantly evolving threat landscape, including a deep understanding of malvertising. With years of experience in the cybersecurity field, he has a proven track record of identifying emerging attack vectors.
His expertise lies in uncovering the mechanisms behind online attacks and translating complex findings into practical knowledge, providing actionable intelligence to help protect individuals and organizations from malicious actors. His work often involves dissecting complex cyberattacks and sharing his findings to contribute to a safer digital landscape.
Selected Blog Posts
Why I Joined DataDome to Tackle the Next Generation of AI-Powered Fraud
After more than a decade at Malwarebytes, I have joined DataDome.
The great Google Ads heist
An ongoing malvertising campaign steals Google advertiser accounts via fraudulent ads for Google Ads itself.
LinkedIn bots and spear phishers target job seekers
The #opentowork hashtag may attract the wrong crowd as criminals target LinkedIn users to steal personal information, or scam them.
Security Research Tools / Projects
Malvertising Research
Various findings related to tracking malicious ads on search engines and other platforms.
fiddleitm
An addon for mitmproxy designed for security researchers interested in capturing and analyzing web-based threats. Language: Python
VPNrotator
Debian framework to safely replay malicious traffic from different geolocations. Language: Bash
EKFiddle
My first project with the Fiddler web debugger used for years to analyze malicious web traffic. Language: C#