March 24, 2025

Breaking and Fixing Content-Defined Chunking

We present attacks against current mitigations employed by backup systems against fingerprinting attacks, and propose new, provably secure, constructions.

September 26, 2022

LakeCTF 2022 Writeup - Chaindle

Writeups for the crypto challenge Chaindle of LakeCTF 2022

June 16, 2022

home_r00ter

Writeup fo the CyberChallenge.IT 2020 Attack/Defense National Finals challenge "home_r00ter". You're given control panel access to a router in a room full of other routers. Can you hijack your device to take over and steal some juicy flags?
Co-written with Luca Molteni.