She is an arms dealer who corrupted Jim Phelps in which is his code name he communicated to Max as "Job 314".
Max tries to get the CIA NOC list from Jim Phelps so she can sell it to other criminal and terrorist organizations. When she receives a phony disk, she makes a deal with Ethan Hunt to pay him and arrange a meeting with "Job".
Later Max and her Henchman tried to access the list before entering the Channel Tunnel but the transfer was blocked by Luther Stickell and lost when they entered the Tunnel terminating the Wi-Fi signal.
At the end, Max is caught and arrested by the IMF lead by Eugene Kittridge and told they will just skip the court trials.