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GainSec

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Category: Lab

Addition to the $150 Private LTE Network

The first addition, a awesome 4G LTE router that runs a flavor of OpenWRT, anti-forensics blue merle plugin and supports CBRS bands (aka the $150 private LTE network). First documented case of this being supported!

gainsec Android Hacking, Lab, Security Research, Technical Walkthroughs Leave a comment October 18, 2025August 1, 2026

Unbricking and Flashing the Yardstick One

Bricked your Yardstick One? This step-by-step guide shows how to recover it using its cousin, the GreatFET, by erasing, flashing, and verifying full Sub 1 GHz sniffer functionality.

gainsec Hardware Pen Testing, Lab, Technical Walkthroughs Leave a comment June 26, 2025August 1, 2026

The quickest and simplest guide to spinning up a powerful local AI stack. Part 5 – Open-WebUI To Crawl4AI – Local Files

Implementing a Open-WebUI Function to parse user input for URLs, pass them to Crawl4AI, parse its output and save it into multiple files for later use.

gainsec AI, Lab, Security Research, Technical Walkthroughs Leave a comment June 7, 2025August 1, 2026

How to generate *VALID* TLS Certificates that are *NOT* self-signed for internal only services.

Step by step instructions on how to easily use Caddy and Cloudflare to generate valid TLS certificates on the fly for services only exposed internally. No self-signing, importing CAs, cleartext HTTP, browser warnings or hassle ever again!

gainsec Infrastructure, Internet Hygeine, Lab, Operations Security, OpSec, Technical Walkthroughs Leave a comment May 31, 2025August 1, 2026

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