Reference:
https://beyondsecurity.com/scan-pentest-network-vulnerabilities-snmp-protocol-version- detection.html

Explanation
What is that application for? "The DMZ is a special network zone designed to house systems that receive connections from the outside world, such as web and email servers. Sound firewall designs place these systems on an isolated network where, if they become compromised, they pose little threat to the internal network because connections between the DMZ and the internal network must still pass through the firewall and are subject to its security policy"

Explanation/Reference:

This is most likely occurring based on the symptoms observed after a recent sales meeting. An insider threat is a person who has legitimate access to an organization's network or data and uses it for malicious purposes, such as stealing, leaking, or sabotaging information. The symptoms suggest that someone from the sales team or someone who attended the meeting has copied sensitive corporate documents and uploaded them to the dark web using large data packets.

Reverse engineering is the process of analyzing a binary file without executing it, by using tools such as disassemblers, debuggers, and decompilers. Reverse engineering can help identify the functionality, behavior, and purpose of a binary file, as well as any malicious code or vulnerabilities it may contain.