# Survey Security ## 🔑 What is survey security ? The survey security let you define how the survey respondent data will be encrypted. Setting the [data classification](/data-encryption/data-classification.md) will affect following data from your survey on newly collected data. * Respondent IP. * Respondent user agent. * Respondent username. * Token First name. * Token Last name. * Token email. * All saved security item attributes. ## 🔅 Survey security properties * **`Public PGP encryption key`** Public PGP key that will be used to encrypt all the data that have been classified as [restricted](/data-encryption/data-classification/restricted.md). * **`Data classification`**Set the [data classification](/data-encryption/data-classification.md) to define the [encryption](/data-encryption.md) level for text based answers. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.ngsurvey.com/form-management/form-designer/form-settings/survey-security.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.