It is primarily used in next generation Data Loss Prevention (DLP) solutions.
Adaptive Redaction is designed to alleviate "False Positive" events created with Data loss prevention software (DLP) security solutions.
False positives occur when a DLP policy triggers and prevents legitimate outgoing communication.
Sending unprotected credit card information outside an organisation breaches the Payment Card Industry Data Security Standard (PCI DSS regulations).
Adaptive Redaction can be used to remove just the credit card number but allow the email to be sent.