You have never done a NCL before and think how to start ?

Here is a list of tools or resources might help you doing well in NCL!

Wireshark - Networking Traffic Analysis

kali-linuxclick here download ios images for your vm-box

Database Pen-Testing SQLMap

Digital invisible ink tookkit - helps you find flag under the cover images click here to download

some common dicionaries will help you crack passwords: Rokyou

Weakpass

Wi-Fi Cracking, how to gain access to a Wi-Fi access point click here to watch the playlists

Nmap some targets

Metasploit tutorials

Wireshark Tutorials if you have time to watch, if you do not, just learn it at NCL LOL

some decoder you wanna to use during NCL:

http://theblob.org/rot.cgi

https://www.dcode.fr/caesar-cipher

http://rumkin.com/tools/cipher

https://md5hashing.net/

https://www.asciitohex.com/