Data Security Center
Data Security Center
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API Reference
- Before You Start
- Calling APIs
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API Description
- Data Watermarking
- Resource Management
- Dynamic Data Masking
- Alarm Notifications
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Image Watermarking
- Injecting Invisible Watermarks into Images
- Extracting Invisible Text Watermarks
- Extracting Invisible Watermarks from Images
- Injecting Invisible Watermarks into Images (Image Addresses)
- Extracting Dark Watermarks from Images (Image Addresses)
- Extracting Invisible Image Watermarks from Images (Image Addresses)
- Asset Management
- Document Watermarking
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Sensitive Data Discovery
- Querying the Identification Task List
- Querying the Result of an Identification Task
- Viewing the Rule List
- Creating a Sensitive Data Scanning Rule
- Modifying a Sensitive Data Scanning Rule
- Deleting a Sensitive Data Scanning Rule
- Querying Sensitive Data Scanning Rule Groups
- Creating a Sensitive Data Scanning Rule Group
- Deleting a Sensitive Data Scanning Rule Group
- Creating a Sensitive Data Scanning Task
- Deleting a Sensitive Data Scanning Task
- Static Data Masking
- API Call Records
- Appendixes
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FAQs
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Sensitive Data Identification and Masking
- What Services Can Use DSC to Scan for Sensitive Data?
- How Long Does It Take for DSC to Identify and Mask Sensitive Data?
- What Are the Built-in Identification Rules of DSC?
- What Are the Identification Rules in the Built-in Identification Template of DSC?
- Does Data Masking Affect My Raw Data?
- Does DSC Have Specific Requirements on the Character Set for Which Sensitive Data Is to Be Identified and Masked?
- Why Cannot I Find a Table in an Existing Database When Creating a Database Data Masking Task?
- Data Watermarking
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More Documents
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User Guide (ME-Abu Dhabi Region)
- Service Overview
- Service Provisioning
- Assets
- Overview
- Sensitive Data Identification
- Data Masking
- Data Watermarking
- Alarm Notifications
- Permissions Management
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FAQs
- Product Consulting
- Adding Data Assets
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Sensitive Data Identification and Masking
- What Services Can Use DSC to Scan for Sensitive Data?
- How Long Does It Take for DSC to Identify and Mask Sensitive Data?
- Which Types of Sensitive Data Can Be Identified by DSC?
- Does Data Masking Affect My Raw Data?
- Does DSC Have Specific Requirements on the Character Set for Which Sensitive Data Is to Be Identified and Masked?
- How Do I Add Multiple Identification Rule Groups?
- Data Watermarking
- Change History
-
API Reference (ME-Abu Dhabi Region)
- Before You Start
- Calling APIs
-
API Description
- Data Watermarking
- Resource Management
- Dynamic Data Masking
- Alarm Notifications
-
Image Watermarking
- Injecting Invisible Watermarks into Images
- Extracting Invisible Text Watermarks
- Extracting Invisible Watermarks from Images
- Injecting Invisible Watermarks into Images (Image Addresses)
- Extracting Dark Watermarks from Images (Image Addresses)
- Extracting Invisible Image Watermarks from Images (Image Addresses)
- Asset Management
- Document Watermarking
-
Sensitive Data Discovery
- Querying the Identification Task List
- Querying the Result of an Identification Task
- Viewing the Rule List
- Creating a Sensitive Data Scanning Rule
- Modifying a Sensitive Data Scanning Rule
- Deleting a Sensitive Data Scanning Rule
- Querying Sensitive Data Scanning Rule Groups
- Creating a Sensitive Data Scanning Rule Group
- Deleting a Sensitive Data Scanning Rule Group
- Creating a Sensitive Data Scanning Task
- Querying the Database Lineage Graph
- Querying the Table Lineage Graph in Pages
- Querying Data Linage Graph at the Column Level
- Querying the OBS Bucket Lineage Graph
- Querying the OBS File Linage Graph in Pages
- Static Data Masking
- API Call Records
- Appendixes
- Change History
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User Guide (ME-Abu Dhabi Region)
- General Reference
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User Guide (ME-Abu Dhabi Region)/
Data Watermarking/
Watermark Extraction
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Watermark Extraction
The content of invisible watermarks cannot be seen and needs to be extracted using tools. This section describes how to extract watermarks from a PDF, PPT, Word, or Excel file stored on the cloud (OBS buckets) or local PC.
Prerequisites
Watermarks can be added for the PDF, PPT, Word, and Excel files.
Constraints
The method described in this section applies only to extracting invisible watermarks of a single PDF, PPT, Word, or Excel file.
Procedure
- Log in to the management console.
- Click
in the upper left corner of the management console and select a region or project.
- In the navigation pane on the left, click
and choose Security > Data Security Center.
- In the navigation pane, choose Data Watermarking. In the upper left corner of the page, click the Extract Watermark tab.
Figure 1 Accessing the watermark extraction page
- Select a file from which you want to extract the watermark text.
NOTE:
Only PDF, PPT, Word, and Excel files are supported.
- If the files from which watermarks are extracted are stored in the OBS bucket, select Cloud for Select File, locate the bucket, and select the target file. Click OK.
Figure 2 Selecting a cloud file
- If the files from which watermarks are extracted are stored on the local PC, select Local for Select File, select the file, and upload it to DSC.
- If the files from which watermarks are extracted are stored in the OBS bucket, select Cloud for Select File, locate the bucket, and select the target file. Click OK.
- After the file is uploaded, click OK.
Figure 3 Watermark extraction completed
Parent topic: Data Watermarking
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