Nearly 90% of US businesses suffered from a computer virus, spyware or other online attack in 2004 or 2005 despite widespread use of security software, according to FBI. The average damage was at $24,000. Though 98% of respondents said they used antivirus software, nearly 84% said they had suffered a virus attack in the 12-month period. 75% said they employed anti-spyware tools, but 80% said they had dealt with a spyware attack. 44% of attacks came from within the organization. Of those coming from outside, nearly 25% could be traced to China.