---
title: "Certified S3 overview"
sidebar_label: "Overview"
sidebar_position: 1
description: "Basic information about certified cloud: description, areas of responsibility, and pricing"
---

import Formbricks from '@theme/MDXComponents/Formbricks'
import {CustomTable} from '@selectel/docux/components'

# Certified S3 overview

Certified S3 is an object storage based on Selectel infrastructure located in the gis-1 certified segment and intended for storing data of information systems with enhanced information security requirements.

Complies with the requirements of regulatory documents:

* Order of FSTEC of Russia No. 117 dated April 11, 2025
* Order of FSTEC of Russia No. 21 dated February 18, 2013;
* Guidance Document dated March 30, 1992 Automated Systems. Protection against unauthorized access, classification of automated systems and information security requirements.

Requirements of regulatory documents are met taking into account the distribution of areas of responsibility.

Certified S3 is suitable for storing data of:

* state information systems (GIS) up to security class 1 (K1) inclusive;
* personal data information systems (ISPDn) up to security level 1 (UZ-1) inclusive;
* automated systems of security class 1G.

The certified S3 infrastructure is multi-tenant. Data isolation is ensured through logical bucket separation and flexible access management.

You can check S3 availability in the certified segment in the [Product availability by location](/infrastructure/product-availability-by-location.mdx) guide.

The product supports [user roles and types](/access-control/access-management.mdx), [projects](/access-control/projects/about-projects.mdx), and [project limits and quotas](/access-control/projects/quotas.mdx).

## Information security requirements fulfilled by Selectel \{#data-protection-requirements}

Selectel undergoes regular compliance audits for all information security requirements by independent auditors.

<CustomTable>
  <table>
    <thead>
      <tr>
        <th />

        <th>Information security requirement</th><th>Proof of Selectel compliance with the requirement</th>
      </tr>
    </thead>

    <tbody>
      <tr>
        <th>Processes personal data up to UZ-1</th><td>FSTEC Order No. 21</td><td>[Compliance certificate for Object Storage and Cloud Platform](https://files.selectel.ru/docs/ru/certificate-for-selectel-cloud-platform.pdf)</td>
      </tr>

      <tr>
        <th>Serves as a state information system up to K1</th><td>FSTEC Order No. 117</td><td>[Compliance certificate for Object Storage and Cloud Platform](https://files.selectel.ru/docs/ru/certificate-for-selectel-cloud-platform.pdf)</td>
      </tr>

      <tr>
        <th>Processes payment card data</th><td>PCI DSS</td><td>[PCI DSS](https://files.selectel.ru/docs/ru/pcidss-cloud-platform.pdf)</td>
      </tr>

      <tr>
        <th>Processes personal data of EU citizens or individuals located in the EU</th><td>GDPR</td><td>DPA and SCC can be executed</td>
      </tr>

      <tr>
        <th>Used for handling confidential information and trade secrets</th><td>ISO 27001, ISO 27017, ISO 27018</td><td>[ISO/IEC 27001:2022 Certificate](https://files.selectel.ru/docs/en/selectel-iso-27001-2022-with-annexure.pdf)<br />[ISO/IEC 27017:2015 Certificate](https://files.selectel.ru/docs/en/selectel-iso-27017-2015-with-annexure.pdf)<br />[ISO/IEC 27018:2019 Certificate](https://files.selectel.ru/docs/en/selectel-iso-27018-2019-with-annexure.pdf)</td>
      </tr>

      <tr>
        <th>Complies with the requirements of the Central Bank of Russia</th><td>GOST R 57580</td><td>[Assessment report for certified segments](https://files.selectel.ru/docs/ru/gost-57580-certified.pdf)</td>
      </tr>
    </tbody>
  </table>
</CustomTable>

## Areas of responsibility \{#areas-of-responsibility}

Selectel is responsible for the physical security of the infrastructure, hardware platform security, network infrastructure security, and S3 object storage platform security.

Selectel is not responsible for data placed by the client in storage, configuration of access policies and encryption, account administration, and security related to logical access to the information system.

## Cost \{#price}

To pay for S3 resources, depending on the balance type in your account, the [unified balance](/balance-and-payments/balance/#united-balance) or [Storage and CDN balance](/balance-and-payments/balance/#balances-by-service-type) is used. Before ordering the service, [top up your balance](/balance-and-payments/manage/top-up-balance.mdx).

Resources in certified S3 are billed according to the [S3 payment model](/s3/about/payment.mdx).

Resource prices are available at [selectel.ru](https://selectel.ru/prices/). You can calculate the cost of certified S3 in the [resource calculator](https://selectel.ru/prices/).

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