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Security Intermediate

What is Data Loss Prevention (DLP)?

A strategy and set of tools that detect and prevent unauthorized transmission of sensitive data outside an organization.

DLP systems monitor and control data movement across networks (network DLP), on endpoints (endpoint DLP), and in cloud services (cloud DLP). They identify sensitive data (credit cards, SSNs, health records) using pattern matching, keywords, and machine learning.

Actions include blocking transmission, encrypting data, alerting administrators, and quarantining files. DLP is required by regulations including GDPR, HIPAA, and PCI DSS. Implementation requires careful policy tuning to balance security with productivity.

Related Terms

RBAC (Role-Based Access Control)
An access control model where permissions are assigned to roles, and users are assigned to roles rather than getting permissions directly.
Vulnerability Scanning
Automated testing that identifies known security weaknesses in systems, applications, and network infrastructure.
SIEM (Security Information and Event Management)
A platform that collects, correlates, and analyzes security events from across an organization to detect threats and incidents.
DDoS (Distributed Denial of Service)
An attack that floods a target server or network with traffic from multiple sources to overwhelm it and deny service to legitimate users.
Zero Trust
A security model that requires strict identity verification for every user and device, regardless of their network location.
Two-Factor Authentication (2FA)
A security method requiring two different forms of identification before granting access to an account.
 View All Security Terms →