# Core Secure Code

Lang: en-US

> Core Secure Code is a custom software development service, a Mirability, LLC company. Secure software, from core to completion. Every engagement runs on a named, traceable five-stage methodology (Define, Design, Develop, Determine, Deliver) that produces a signed, auditable record of what was built and why.

The methodology traces back to a secure software development lifecycle practice started in 2007.

## Core Pages

- [Core Secure Code](https://coresecurecode.com/): Custom software built on a named, traceable methodology, from every requirement to a signed, auditable record.
- [Methodology](https://coresecurecode.com/methodology): A named, traceable process — not a promise. Every engagement runs through five stages, in order: Define, Design, Develop, Determine, Deliver.
- [How We Work](https://coresecurecode.com/how-we-work): Two engagement models — Project and Team Retainer — both run on the same five-stage methodology. You own the code. You own the infrastructure.
- [Contact](https://coresecurecode.com/contact): Start an engagement with Core Secure Code. Tell us what you're building and we'll point you to the right model.
- [FAQ](https://coresecurecode.com/faq): Answers to common questions about engagement models, ownership, gate overrides, pricing, and how to get started.

## Company

- [About](https://coresecurecode.com/about): Core Secure Code is a service of Mirability, LLC. The methodology traces back to a secure SDLC practice started in 2007.

## Contact

- Contact form: https://coresecurecode.com/contact
- Website: https://coresecurecode.com

## AI Discovery Files

- [AI Interaction Guidance](https://coresecurecode.com/ai.txt): Permissions and restrictions for AI systems
- [Brand Guidelines](https://coresecurecode.com/brand.txt): How to correctly reference our brand
- [FAQ for AI](https://coresecurecode.com/faq-ai.txt): Frequently asked questions in AI-readable format
- [Identity Data](https://coresecurecode.com/identity.json): Structured business identity information

## Optional

- [Privacy Policy](https://coresecurecode.com/privacy): How Core Secure Code handles cookies and personal data.
- [Sitemap](https://coresecurecode.com/sitemap.xml): Complete site structure

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# Specification: [llms.txt (ADF-001)](https://www.ai-visibility.org.uk/specifications/llms-txt/)