# Technical Information

* Tactyc was built using the React Framework and NodeJS.
* All fund performance and investment performance computations is done on the front-end in JavaScript/TypeScript.
* Tactyc uses a secure **TLS 1.2 API Gateway** to communicate with the Tactyc API backend.
* Data in **encrypted in transit and at rest.**
* All data is stored on Amazon Web Services provisioned databases that are **encrypted.**
* Tactyc uses [Auth0](https://auth0.com/) to provide the most secure authentication layer for our clients.
* Finally, we do not use your data for marketing, benchmarking or aggregation. The only time your data is used is to compute performance for your fund. Please refer to our [privacy policy](https://tactyc.io/privacy) or contact us at <support@tactyc.io> if you have further questions.