Data Protection Technologies

To prevent personal data (such as the username or password) from being accessed by unauthorized entities or individuals, ESM takes different measures to keep data secure and reliable.

Collecting Personal Data

Table 1 describes the personal data generated or collected by ESM.

**Table 1** List of personal data
Type	Collection Method	Purpose	Modifiable	Mandatory	Lifecycle Management
User Name	You register a Huawei Cloud account.	Notify you of the ticket processing progress.	Yes	Yes	Deleted when you delete your account
IP	You use the service.	Record audit logs.	No	Yes	Deleted when logs are cleared
Ticket information	You submit tickets and leave messages. The information includes the problem descriptions, left messages, and uploaded log screenshots.	Create tickets and leave messages and information requested by Huawei Cloud engineers during the ticket processing to quickly and accurately locate and handle your problems. Do not include sensitive personal data, such as passwords and mobile numbers, in problem descriptions, left messages, and log files.	No	Yes	Ticket information is necessary for ticket processing and will be stored for quality inspection and audit purposes for a long time.
Email address	You submit a ticket. You register a Huawei Cloud account.	The email addresses you provided during ticket submission are used to notify you of the ticket processing progress. The registered email address is used only as the emergency contact information. During ticket processing and return visits, Huawei Cloud will preferentially contact you using the email addresses you provided during the ticket submission.	Yes	No	Any email address newly authenticated on the ticket submission page will be deleted after the validity period (three months) expires. The involved tickets are processed. You can submit a request to ask for deleting the mobile numbers and email addresses you provided during the ticket submission. The registered email address and mobile number will be deleted when you delete your Huawei Cloud account.
Mobile number	You submit a ticket. You register a Huawei Cloud account.	The mobile numbers you provided during ticket submission are used to notify you of the ticket processing progress. The registered mobile number is used only as the emergency contact information. During ticket processing and return visits, Huawei Cloud will preferentially contact you using the mobile numbers you provided during the ticket submission.	Yes	No

Storage Mode

The ticket system uses encryption algorithms to encrypt the following sensitive data and then stores the encrypted data:

The following personal sensitive data is encrypted before storage: Email addresses, mobile numbers, and authorized information.
Ticket information is not personal sensitive data and therefore is stored in plaintext.