What is the purpose of using custom dictionaries in Zscaler DLP?

Using custom dictionaries in Zscaler Data Loss Prevention (DLP) is focused on enhancing data protection by identifying and safeguarding particular types of sensitive information. When organizations have unique data or vocabulary that is critical to their operations, custom dictionaries allow DLP policies to recognize these specific terms or patterns. This is especially useful for protecting documents that contain proprietary information, regulatory compliance data, or any other critical content marked by specific headers and footers.

Creating a custom dictionary tailored to the organization's needs ensures that the DLP system can adequately scan and identify sensitive documents containing those criteria, thus maximizing the efficiency of data protection measures and minimizing the risk of data breaches. This targeted approach enhances the overall DLP strategy, allowing organizations to manage and secure their information more effectively.

The other options relate to functions that do not align directly with the primary intention of custom dictionaries in the context of Zscaler DLP. For instance, logging internet access, monitoring employee usage, or performing real-time analytics on file types do not focus on the identification and safeguarding of sensitive content as enabled by custom dictionaries. Instead, those functionalities are part of broader security and monitoring features within Zscaler's suite but do not specifically describe the purpose or use case of custom dictionaries within DLP.