This is a condensed version of the Cyber Analyst Challenge held by LM/Temple for a few years which has since been discontinued.
The actual challenge takes about a week to complete. This version is stripped down to be done in about 2-3 hours.
The data can be downloaded here: https://drive.google.com/open?id=1Bpl8h6HcJHtl_A9zXAcqJu8WyY3JuR7f