You have just been hit and by the rule book you can't hit this person back. To be in the game you need to send this message to five of your friends, try to find some small and funny attachment to send along. It also sends messages to an irc channel called 'roazh' saying that the machine is infected. The next time that the computer is rebooted, the worm will wait for 5 minutes, then it will use MAPI to find all unread email messages and reply to all of them. Register for Symantec's free Enterprise Security newsletters.
Information warfare is no different.
No security system is impenetrable. The ideal information security system causes the cost of an attack to exceed the benefit. A multi-layer security system significantly increases the resources required to compromise the organization. Industry best practices focus on the concept of security in-depth. Layered security creates a defensive barrier that is many times greater than the sum of the individual parts, and exponentially increases the cost to the attacker, therefore increasing the security of the organization.