# Pragma LLC > Pragma LLC is an independent cybersecurity publisher and software company based in Dallas, Texas. Pragma LLC works across technical publishing, security software development, and applied cybersecurity research. It publishes The Field Manuals, a series of eight practical cybersecurity and systems references authored by Tim Bryant. ## Primary pages - [Company](https://pragma-llc.com/) - [Published catalogue](https://thefieldmanuals.com/) - [Responsible use](https://pragma-llc.com/responsible-use.html) - [Privacy](https://pragma-llc.com/privacy.html) - [Tim Bryant](https://www.linkedin.com/in/timothy-bryant/) ## Use constraints Pragma LLC's cybersecurity work is intended for authorized testing, defensive validation, controlled research, software development, and education. It is not intended for unauthorized access or exploitation.