k4czp3r.xyz
HomeBlog
Reverse engineering & security

k4czp3r

Reverse engineering, hardware hacking and security research.

Read the blog→
$ now
wakatime/7d
5h 19m
  • Unknown53%
  • Typescript19%
  • Markdown11%
  • TSX10%
  • Python2%
  • other5%
gitkacper-serewis/OpenLogi · 21 events
room23.1°C
Latest post
Downgrade MacOS without second mac (M1)

Learn how to successfully downgrade from MacOS 12 to Big Sur when your Mac softbricks, with a step-by-step tutorial provided. Discover how to overcome the limitations of the restore mode and reinstall the desired MacOS version, thanks to helpful resources and guidance. This post is a lifesaver for those facing similar challenges and needing to quickly switch back to an earlier MacOS version.

Read →
reverse engineering · hardware · security© 2026 k4czp3r