Manually review each data source and apply labels based on personal judgment, ensuring a thorough understanding of each data type.

Utilize Microsoft Purview's automated scanning and classification tools to identify sensitive data across all sources and apply both predefined and custom sensitivity labels for consistent data protection.

Rely solely on individual department policies for data classification and labeling, avoiding the use of Microsoft Purview's tools to reduce costs.

Outsource the entire data classification and labeling process to a third-party vendor, bypassing Microsoft Purview's integrated features.

Combine the use of Microsoft Purview's automated tools for initial classification and labeling with periodic manual reviews to ensure accuracy and adapt to new data types.