A method and system for file information output anti-disclosure and traceability
A file information and information output technology, which is applied in the field of security document leakage prevention and traceability, can solve the problems of file information output terminal screen photo and print output leaking, limited format of secure electronic documents, poor universality, etc.
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Embodiment 1
[0064] like figure 1 As shown, it is a main flowchart of a method for file information output anti-disclosure and traceability, including the following steps:
[0065] S101. First, deploy and install a file information output operation monitoring service system at the file information output terminal.
[0066] Among them, the file output terminal equipment specifically includes computer monitors, tablet computer monitors, mobile phone terminal monitors, printers, plotters, video output devices, magnetic recording devices, etc.
[0067] S102. When the file information output terminal performs a file information output operation, the file information output operation monitoring service system automatically performs information leakage prevention processing in the file information output content.
[0068] Normally, the file information output operation includes: terminal screen display, electronic format document conversion and printout, wherein the electronic format document co...
Embodiment 2
[0135] This embodiment provides a system for file information output anti-disclosure and traceability, including the following parts:
[0136] User account information management module: It has a complete user account system, which can be connected to AD (active directory, active directory), LDAP (Lightweight Directory Access Protocol, lightweight directory access protocol) and other self-built systems within the user organization, and synchronize the organizational structure and user information;
[0137] Client monitoring service module: Deploy and install the file information output operation monitoring service system at the file information output terminal. When the file information output terminal performs the file information output operation, the file information output operation monitoring service system will automatically perform information prevention in the file information output content. Leakage processing, and at the same time call the watermark information embed...
Embodiment 3
[0143] This embodiment provides a method for embedding and extracting watermark information in electronic format document output, including the following steps:
[0144] Step 1, run the electronic document editing software system to open the electronic document, and read all content data in the document into the memory;
[0145] Step 2. After reading the user identity information and reading the system time in real time, generate watermark information through mixed coding to identify the traceability and tracking information of the document;
[0146] Here, the user information may be the login user account of the system, the MAC address of the device, the IP address, as well as artificially designated coding information, device serial number information, and the like.
[0147] Step 3: Dynamically embed watermark information in the document data read into the memory by means of watermark font replacement;
[0148] Here, the watermark information is embedded in the entire page ...
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