: Use XKeyscore Forensics (the last symbol on the bottom bar). Drag Nathan Lightman and the GRU Investigation Database onto the globe, then run the program to uncover financial and ID records.

: Open the Turbine C2 Registry and navigate to Nite Team 4 Controlled > Operation CastleIvy .

: Open the Password Attack module in the Network Intrusion menu. Target the path /user/nlightman/c$ to proceed with credential harvesting.

: You must survive and extract from the raid after finding the location to complete the quest. Broadcast Part 4 - Jaeger Task Guide - Escape From Tarkov

The specific filename you provided, ffb4ac92bd42403b95a720e84ad3c625.part4.rar , is a unique hash typically associated with , a military hacking simulation game. This hash acts as an encrypted objective or file identifier within the game's "Operation CastleIvy" or similar Hivemind network missions. Guide for Nite Team 4 (Operation CastleIvy)

: Locate the cultist meeting spot on the Streets of Tarkov map.

: Use the WMI Scanner from the Information Gathering menu and type netscan to identify targets.