Underground Labs
Master privacy & security through hands-on practice
New Lab System Launching
We're rolling out new hands-on labs over the next month. Expect fresh content weekly covering privacy tools, encryption, and OpSec techniques.
FREE Demo Lab (Tor on Tails)
Want to see what the lab environment is all about? Check out this Tails lab demo!
Using Electrum to Receive BTC on Tails
Learn how to leverage the built in program Electrum to send and receive bitcoin payments using Tails OS
First Boot: Tails Essentials
Boot Tails OS, configure persistence, and understand the amnesia system
Network Traffic in Tails
Analyze what Tails reveals on the network and what stays hidden
Setting Up Onion Services
Configure and deploy your own .onion website with proper OpSec
Tails Persistence Deep Dive
Understand what persistence stores and potential forensic traces
Tor Bridge Configuration
Configure bridges for censored networks and understand pluggable transports
Tor Circuit Analysis
Examine Tor circuits, understand path selection, and analyze network performance
Encrypted Email Configuration
Set up PGP with Thunderbird and understand email OpSec
PGP Encryption Fundamentals
Generate keys, encrypt/decrypt messages, and verify signatures using GPG
PGP Keyserver OpSec
Upload keys safely, understand keyserver attacks, and manage revocation
Steganography Techniques
Hide data in images, audio, and other files
VeraCrypt Encrypted Containers
Create hidden volumes and plausible deniability setups
Linux Command Line Basics
Learn fundamental Linux terminal commands and navigation
Common OpSec Failures
Learn from real-world cases where anonymity was compromised
Metadata Stripping Techniques
Remove identifying metadata from documents, images, and files
Secure File Deletion
Use shred, srm, and secure deletion tools to prevent recovery
Secure Messaging Protocol Analysis
Compare Signal, Session, and other encrypted messengers
Python Scripting for Security
Write Python scripts for security automation tasks