# Principia Ratio > Principia Ratio is an Australian strategic cybersecurity advisory helping organisations make clear, risk-informed decisions and deliver complex cyber programs. The public website describes Principia Ratio, its advisory capabilities, and Hopdox, an alpha-stage compliance assessment solution. Website content is general information only and does not create a client or advisory relationship. This file helps agents locate authoritative public content. It does not grant a licence, permit model training, or override robots.txt, copyright, the Website Terms of Use, or other applicable rights and restrictions. ## Core pages - [Home](https://principiaratio.com/): Overview of Principia Ratio and its strategic cybersecurity advisory services. - [About](https://principiaratio.com/#about): Practice approach, experience, and capability areas. - [Hopdox](https://principiaratio.com/#hopdox): Product overview, alpha-stage limitations, assessment workflow, and security architecture. - [Contact](https://principiaratio.com/#contact): General enquiries at gday@principiaratio.com. ## Legal - [Privacy Policy](https://principiaratio.com/privacy.html): Personal information handling, cookies, third-party services, overseas processing, and privacy requests. - [Website Terms of Use](https://principiaratio.com/terms.html): Conditions governing use of the public website. - [Disclaimer](https://principiaratio.com/disclaimer.html): Limits on reliance, professional advice, security outcomes, and third-party content. ## Optional - [Security contact](https://principiaratio.com/.well-known/security.txt): Machine-readable vulnerability reporting contact.