Tamas K Lengyel

Tamas works as Security Researcher at Zentific, LLC and holds a PhD from the University of Connecticut in Computer Science and Engineering. He is an avid open-source developer, acting as maintainer o

Tamas K Lengyel
Stealthy monitoring with Xen altp2m
Apr 13 2016

One of the core features that differentiates Xen from other open-source hypervisors is its native support for stealthy and secure monitoring of guest internals (aka. virtual machine introspection [1]). In Xen 4.6 which was was released last autumn several new features have been introduced that make this subsystem better;

Hardening Hypervisors Against VENOM-Style Attacks
May 14 2015

This is a guest blog post by Tamas K. Lengyel, a long-time open source enthusiast and Xen contributor. Tamas works as a Senior Security Researcher at Novetta, while finishing his PhD on the topic of malware analysis and virtualization security at the University of Connecticut. The recent disclosure of the