Log in and defend the company network from the virus invasion, or lose your sysadmin privileges trying.
Use a variety of system tools to fend off hordes of virus bugs which seek to compromise the network's process kernels. Collect permission powerups and face off against a variety of hostile malwares trying to get in your way.
Secure the network with firewalls, or counter-compromise the hacker's malware processes before your kernels are cracked by the attack.