DLP: Data Loss Prevention in Cybersecurity

Data Security
ByDecipherU Editorial
How is it pronounced?
dee-el-pee

DLP stands for Data Loss Prevention. DLP systems detect and prevent unauthorized transmission of sensitive data outside an organization's boundaries. They monitor data in motion, at rest, and in use across endpoints, networks, and cloud services.

How DLP Is Used in Cybersecurity

GRC analysts define DLP policies based on regulatory requirements like PCI DSS and HIPAA. Security engineers deploy DLP agents on endpoints and configure network-level inspection to catch sensitive data exfiltration. SOC analysts investigate DLP alerts to determine if a data transfer was intentional or a sign of insider threat activity.

Read the full glossary entry: Data Loss Prevention in Cybersecurity

Cybersecurity Roles That Work with DLP

Related Cybersecurity Acronyms

Frequently asked questions

What does DLP stand for?

DLP stands for Data Loss Prevention. DLP systems detect and prevent unauthorized transmission of sensitive data outside an organization's boundaries. They monitor data in motion, at rest, and in use across endpoints, networks, and cloud services.

What is DLP used for in cybersecurity?

GRC analysts define DLP policies based on regulatory requirements like PCI DSS and HIPAA. Security engineers deploy DLP agents on endpoints and configure network-level inspection to catch sensitive data exfiltration. SOC analysts investigate DLP alerts to determine if a data transfer was intentional or a sign of insider threat activity.

Last verified: April 2026?Report an inaccuracy