---
title: Security | CloudSign Help Center
description: Security
---

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1. [CloudSign Help Center](https://help.cloudsign.jp/en)
2. [Security](https://help.cloudsign.jp/en/security)

# Security

- [Are there any risks of data loss?](https://help.cloudsign.jp/en/articles/385315)
- [Is there any risk of unauthorized access to sent contracts?](https://help.cloudsign.jp/en/articles/385144)
- [Are there any concerns about data leakage?](https://help.cloudsign.jp/en/articles/385314)
- [I want to check information on CloudSign incidents and maintenance](https://help.cloudsign.jp/en/articles/2594605)
- [Are the saved contract data backed up?](https://help.cloudsign.jp/en/articles/385152)
- [Is there a situation where the Bengo4.com, Inc. views the details of the contract?](https://help.cloudsign.jp/en/articles/385158)
- [What methods does CloudSign use to identify and authenticate recipients?](https://help.cloudsign.jp/en/articles/385356)
- [Digital data can easily be fabricated or tampered with, but what are the countermeasures in place?](https://help.cloudsign.jp/en/articles/385342)
- [Are communications with CloudSign encrypted?](https://help.cloudsign.jp/en/articles/385149)
- [Does CloudSign comply with the GDPR (General Data Protection Regulation)?](https://help.cloudsign.jp/en/articles/4297120)
- [Are files on CloudSign encrypted for storage?](https://help.cloudsign.jp/en/articles/3111407)

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- [FAQ](https://help.cloudsign.jp/en/faq#main-content)

    - [About CloudSign](https://help.cloudsign.jp/en/faq#about-cloudsign)
    - [About documents](https://help.cloudsign.jp/en/faq#about-documents)
    - [About operation](https://help.cloudsign.jp/en/faq#about-operation)
    - [notification emails](https://help.cloudsign.jp/en/faq#notification-emails)
- [Plans](https://help.cloudsign.jp/en/plans#main-content)

    - [Free plan](https://help.cloudsign.jp/en/plans#free-plan)
    - [Paid Plan](https://help.cloudsign.jp/en/plans#paid-plan)
    - [Free option](https://help.cloudsign.jp/en/plans#free-option)
    - [Paid option](https://help.cloudsign.jp/en/plans#paid-option)
    - [Collaboration plan](https://help.cloudsign.jp/en/plans#collaboration-plan)
- [Email address setting and login setting](https://help.cloudsign.jp/en/email-address-setting-and-login-setting#main-content)

    - [login](https://help.cloudsign.jp/en/email-address-setting-and-login-setting#login)
- [Sending documents](https://help.cloudsign.jp/en/sending-documents#main-content)

    - [Upload and edit documents](https://help.cloudsign.jp/en/sending-documents#upload-and-edit-documents)
    - [Destination settings](https://help.cloudsign.jp/en/sending-documents#destination-settings)
    - [Bulk sending](https://help.cloudsign.jp/en/sending-documents#bulk-sending)
    - [Settings when sending](https://help.cloudsign.jp/en/sending-documents#settings-when-sending)
    - [Operations after sending](https://help.cloudsign.jp/en/sending-documents#operations-after-sending)
    - [Template](https://help.cloudsign.jp/en/sending-documents#template)
- [Receiving documents](https://help.cloudsign.jp/en/receiving-documents#main-content)

    - [Recipient guide](https://help.cloudsign.jp/en/receiving-documents#recipient-guide)
    - [Receiving docs](https://help.cloudsign.jp/en/receiving-documents#receiving-docs)
- [Managing documents](https://help.cloudsign.jp/en/managing-documents#main-content)

    - [Document confirmation](https://help.cloudsign.jp/en/managing-documents#document-confirmation)
    - [Enter document information](https://help.cloudsign.jp/en/managing-documents#enter-document-information)
    - [Document import](https://help.cloudsign.jp/en/managing-documents#document-import)
- [Setting ・Administrator privilege](https://help.cloudsign.jp/en/setting-administrator-privilege#main-content)

    - [Personal settings](https://help.cloudsign.jp/en/setting-administrator-privilege#personal-settings)
    - [Administrator settings](https://help.cloudsign.jp/en/setting-administrator-privilege#administrator-settings)
    - [Advanced settings](https://help.cloudsign.jp/en/setting-administrator-privilege#advanced-settings)
- [Electronic signature](https://help.cloudsign.jp/en/electronic-signature)
- [API・External service linkage](https://help.cloudsign.jp/en/api-external-service-linkage#main-content)

    - [Web API](https://help.cloudsign.jp/en/api-external-service-linkage#web-api)
    - [External collaboration](https://help.cloudsign.jp/en/api-external-service-linkage#external-collaboration)
    - [CloudSign Payments](https://help.cloudsign.jp/en/api-external-service-linkage#cloudsign-payments)
    - [Law](https://help.cloudsign.jp/en/api-external-service-linkage#law)
- [Security](https://help.cloudsign.jp/en/security)
- [Troubleshooting](https://help.cloudsign.jp/en/troubleshooting#main-content)

    - [Login](https://help.cloudsign.jp/en/troubleshooting#login)
    - [Email sending and receiving](https://help.cloudsign.jp/en/troubleshooting#email-sending-and-receiving)
    - [Input items / consent related](https://help.cloudsign.jp/en/troubleshooting#input-items-consent-related)
    - [PDF / signature related](https://help.cloudsign.jp/en/troubleshooting#pdf-signature-related)
    - [Address settings and document information](https://help.cloudsign.jp/en/troubleshooting#address-settings-and-document-information)
    - [Others](https://help.cloudsign.jp/en/troubleshooting#others)

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