Answer:
1. DLP (Data Loss Prevention)
Step-by-step explanation:
DLP tools are meant to protect sensitive information of an organization, by monitoring data transmissions and enforcing previously set policies
UTM means Unified Threat Management. It is a suite of security programs, usually including antivirus, antispam, firewall and others.
WAF stands for Web Application Firewall. It is a specific firewall used to protect web servers by monitoring HTTP traffic.
DEP or Data execution Prevention is a security feature in some operating systems that blocks applications trying to access restricted memory areas.