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What I learn at work and in CTFs, written so it helps beginners too.

SHEET 01 — LOG

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Writeup
HY300: what was my 80-euro projector sending to China?
Analysis of a cheap Android projector: factory backdoors, telemetry to China and root without unlocking the bootloader.
01.11.202617 min
Guide
Relapse: how does the PS5 jailbreak up to firmware 13.60 work?
An analysis of the exploit chain, from the browser to the kernel, using the code from the official release.
29.10.20267 min