Nefeli Georgilas

Blog • LinkedIn • CV • nefeli [dot] georgilas [at] unlv [dot] edu

I am an M.S. student and cybersecurity researcher at the University of Nevada, Las Vegas. My research focuses on the security of real-time systems, specifically autonomous vehicle security. I am also interested in exploit analysis and reverse engineering.

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Upcoming & News

• Invited to speak at UNLV Cyber Lunch and Learn - How Do Machines Find Vulnerabilities? Dissecting an Exploit.
• Appointed as Instructor of Record for CSEC 722: Trusted Software Systems (Spring 2027).
• Spoke at DEF CON 34 (Creator Talk, under Aerospace Village) — Racing PX4: Memory Safety and Timing Vulnerabilities.

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Vulnerability Research

• eProsima Fast-DDS (ROS 2): Heap Buffer Overflow (in progress!)
• libetpan (Commit 927225b): Memory leak in mailimap_acl_listrights leading to Denial of Service (Estimated CVSS 5.3).

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Mentions

Thank you for the mentions!

• [Embedded] PX4 1-day Analysis (Presenter: Nefeli Georgilas)

Past CTF

Event	Placement	Category	Date
C2Society CTF	1st	rev, forensics	Mar 2026
NCAE Regionals (Overflow 2)	1st	rev	Mar 2026
Gasparilla CTF	1st	rev, forensics	Jan 2026
DC207 Hacksgiving CTF	2nd	rev, forensics, ICP	Nov 2025