After the communication from Lemay and John from IT you can roam the area, hacking the computer for the Great Minds in Histroy, Commission 1 and grabbing the Sticky Note 14. Head for the waypoint, getting the Sticky Note 18 under the "Securite Security" writing, and access the camera to solve the puzzle (3-5-7-7).
You can now head to the server room and approach the server, hacking it (3-7-7-7) to initiate the remote hack, getting the Age of Cutthroats video. After the scene, return to the Animus.
