Presents the nature and prevalence of computer security incidents among 7,818 businesses in 2005. This is the first report to provide data on monetary loss and system downtime resulting from cyber incidents. It examines details on types of offenders, reporting of incidents to law enforcement, reasons for not reporting incidents, types of systems affected, and the most common security vulnerabilities. The report also compares in-house security to outsourced security in terms of prevalence of cyber attacks. Appendix tables include industry-level findings.

More information is available at http://www.ojp.usdoj.gov/bjs/abstract/cb05.htm