Hello world.
My name is Leonidas and I’m an ofensive security practitioner with over a decade of hands-on, technical experience.
Based in London, UK for the last few years I’m focusing on planning and leading large-scale attack simulations across the full spectrum: from purple teams and Attack Path Mapping to red team exercises.
On this website you will find all my published work, articles previously released in other corners of the internet, as well as a few posts first released here.
Occasionally, I get to discover vulnerabilities on software from companies like IBM, Cisco, Xiaomi and even AWS, details of which you can also find in this space.
Despite consulting full-time, I enjoy a bit of research every now and then, which has given me the opportunity to present at security conferences around the world. You can find the links for all my conference talks here: Talks and Workshops.
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My interests include adversary simulation, attack detection, reverse engineering, and in the past mobile security. Occasionally I try my hand at coding, which has resulted in some notable projects.
If you’ve liked the stuff in here, spotted a mistake or just feel like talking about the Premier League, feel free to contact me on socials.
Happy Browsing