Experts from intelligence agencies, the FBI, and the military are speaking out about the possibility that terrorists could employ the Internet and the tools of hackers to attack the information technology infrastructure that most businesses depend on. They warned that by crippling our business operations, the terrorists could wreak terrible damage on our economy ? very quickly, without warning, without mercy. And unless you take effective countermeasures in time, your business could be one of the casualties of our war on terrorism.