Cybersecurity

First, check your security:

• https://www.hardenize.com

Nice article:

• https://www.freecodecamp.org/news/linux-basics/
• https://www.kalilinux.fr/commandes/responder-sur-kali-linux/ Responder (Man In the Middle)
• https://whos-zycher.github.io/opsec-guide/ OpSEC Guide