Cybersecurity Labs: Home

Quality Control

In the last few posts, we created/imported VMs for our cybersecurity lab. Now, it’s time to check our cybersecurity lab and apply quality control. Quality control is a process by which entities review the quality of all factors involved in production. ISO 9000 defines quality control as “a part of quality management focused on fulfilling quality requirements”.

All the VMs must…

  • Have access to a shared folder on the host system
  • Be able to ping each other
  • NOT have access to the internet
  • NOT have access to non-lab workstations
Cybersecurity Lab

Testing Script

REM Windows
REM dsin-lap001
REM dsin-dangerzone
REM dz-dc
REM dz-kali
REM dz-metasploit
REM dz-win10
REM dns.google
# Linux
ping -c3      #dsin-lap001
ping -c3     #dsin-dangerzone
ping -c3    #dz-dc
ping -c3    #dz-kali
ping -c3    #dz-metasploit
ping -c3    #dz-win10
ping -c3           #dns.google

Results dsin-lap001
  • Result: PASS dsin-dangerzone
  • Result: PASS dz-dc
  • Result: PASS dz-kali
  • Result: PASS dz-metasploit
  • Result: PASS
Quality Control dz-win10
  • Result: PASS


If you follow the scripts and the outputs, you will understand that I allowed a few exceptions. It’s a calculated risk considering the small setup we have here. We do not allow it in the PROD systems.

  • #jump-server can ping dns.google. The #jump-server is one of many roles that this system plays.
  • #virtual-server can ping dns.google. It’s necessary for the system updates on the physical server.

Best Practices

  • Weekly Backups
  • Weekly Update/Upgrade
  • Weekly Antivirus scan
devendrashirbad@dsin-dangerzone:~$ sudo it-support/job/system-upkeep.sh 
[sudo] password for devendrashirbad: 
[16:32:33] DO UPGRADE
Hit:1 http://in.archive.ubuntu.com/ubuntu noble InRelease
Get:2 http://in.archive.ubuntu.com/ubuntu noble-updates InRelease [126 kB]
Hit:3 http://security.ubuntu.com/ubuntu noble-security InRelease
Hit:4 http://in.archive.ubuntu.com/ubuntu noble-backports InRelease
Get:5 http://in.archive.ubuntu.com/ubuntu noble-updates/main amd64 Packages [215 kB]
Get:6 http://in.archive.ubuntu.com/ubuntu noble-updates/universe amd64 Packages [115 kB]
Fetched 456 kB in 2s (191 kB/s)
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
Calculating upgrade...
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Reading package lists...
Building dependency tree...
Reading state information...
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
[16:32:40] DONE UPGRADE
[16:32:40] DO CLAMSCAN /home/devendrashirbad

----------- SCAN SUMMARY -----------
Known viruses: 8695604
Engine version: 1.0.5
Scanned directories: 577
Scanned files: 3032
Infected files: 0
Data scanned: 195.71 MB
Data read: 98463.90 MB (ratio 0.00:1)
Time: 40.401 sec (0 m 40 s)
Start Date: 2024:07:03 16:32:40
End Date:   2024:07:03 16:33:20
[16:33:20] DONE CLAMSCAN /home/devendrashirbad
[16:33:20] SKIPPED CLAMSCAN /home/devendrashirbad/z-archive
Execution Time: 47.51 seconds
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