Discover hosts and services on your local network using Nmap.
nmap -sn 192.168.1.0/24
nmap 192.168.1.50
nmap -sV 192.168.1.50
sudo nmap -O 192.168.1.50
nmap -sV -oN scan_results.txt 192.168.1.50
Which of the discovered open ports could be attack vectors, and how would you secure them?