A registered content agent can quickly detect when a user tries to send or copy a protected file. To do this, it compares the file's digital fingerprint with the fingerprints of files that it is protecting.
To roll out content agents across your CA DLP enterprise
For each agent, you must specify which files it protects and its index type.
The index contains fingerprints of the files you want the agent to protect. In technical terms, CA DLP generates the index by running specialized FSA scanning job to collate the digital fingerprints. It then creates the index files on the FSA machine that is performing the scan.
This process pushes the content index files from the FSA machine onto the CMS and makes a fully functioning content agent available to your policy engines and endpoint agents.
Note: Until an index has been built and the content agent has been published, the agent cannot be used in user policy. That is, any content agent trigger that uses an unpublished agent will be unable to detect fingerprinted files.
When CA DLP applies policy to a file (for example, when it detects an unauthorized email attachment), the content agent generates a fingerprint of the file and then compares this fingerprint with those in its index.
If the fingerprints match, CA DLP infers that the file must be protected and the trigger fires.
Note: Content agents cannot reliably detect some file types (such as spreadsheets) when they are printed. See below for details.
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