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GainSec

Where OSINT, Hacking, Penetration Testing, Privacy, Piracy, Information Security, Cyber Security and Law are a lifestyle.

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Tag: opsec

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

The importance of Operation’s Security 2020

Operations security (OpSec) is UBER important. Whether you're on the blue, red, purple team. Whether you wear a white, gray or black hat!

gainsec Cybersecurity, Ethical Hacking, Hacking, Lectures and Publications, Operations Security, Penetration Testing, Red Teaming, Security Research, Whitehat Hacking Leave a comment November 18, 2020August 1, 2026

5 Internet Hygiene Tips

5 Quick Tips to have good internet hygiene!

gainsec Internet Hygeine, Operations Security, OpSec, Technical Walkthroughs Leave a comment September 24, 2020August 1, 2026

Technique, Tool and Lecture (TTL) #20

You NEED to watch this lecture for your own OpSec and privacy!

gainsec Everything Else, Information Security, Operations Security, OpSec Leave a comment July 30, 2020August 1, 2026

The importance of Operation Security #2

Another lesson to teach you about the importance of Operation Security!

gainsec Everything Else, Operations Security, OpSec, Uncategorized Leave a comment May 29, 2020August 1, 2026

Internet Hygiene Faraday Bags #4

Fourth entry of the best practices for keeping your internet hygiene and Operations Security under control!

gainsec Everything Else, Internet Hygeine, Operations Security, OpSec Leave a comment March 15, 2020August 1, 2026

Internet Hygiene Secure Messaging Options #3

Third entry of internet hygiene! Useful information for everyone!

gainsec Everything Else, Internet Hygeine, Operations Security, OpSec Leave a comment March 7, 2020August 1, 2026

Internet Hygiene 2FA #2

Internet Hygiene is one of the most important skills for any type of computer user! Learn about resources and tools that help make your internet hygiene stronger!

gainsec Everything Else, Internet Hygeine, Operations Security, OpSec Leave a comment March 1, 2020August 1, 2026

A module for xPrivacy that needs to exist

This post touches on an idea I have for an Xposed/xPrivacy module.

gainsec Android, Android Tips, Everything Else, Operations Security, OpSec, Privacy Leave a comment February 28, 2020August 1, 2026

Android/iOS Privacy Apps and Frameworks #1

Today I cover one of the coolest Frameworks for Android in terms of Privacy, Internet Hygeine and more.

gainsec Android, Android Tips, Everything Else, Internet Hygeine, Operations Security, OpSec, Privacy Leave a comment February 26, 2020August 1, 2026

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