Archimedes
Today, May 5th 2017, WikiLeaks publishes "Archimedes", a tool used by the CIA to attack a computer inside a Local Area Network (LAN), usually used in offices. It allows the re-directing of traffic from the target computer inside the LAN through a computer infected with this malware and controlled by the CIA. This technique is used by the CIA to redirect the target's computers web browser to an exploitation server while appearing as a normal browsing session.
The document illustrates a type of attack within a "protected environment" as the the tool is deployed into an existing local network abusing existing machines to bring targeted computers under control and allowing further exploitation and abuse.