1. 2
. Cisco Systems. Economic Impact of Network Security Threats. Cisco White Paper. Dec. 2002: see http: //www.cisco.com/warp/public/cc/so/neso/sqso/ roi1_wp.pdf. 2. Cisco Systems. Economic Impact of Network Security Threats . Cisco White Paper. Dec. 2002: see http: //www.cisco.com/warp/public/cc/so/neso/sqso/ roi1_wp.pdf.
2. 3
. Oracle: see http://www.oracle.com/oramag/oracle/02- mar/index.html?o22break.html. 3. Oracle: see http://www.oracle.com/oramag/oracle/02- mar/index.html?o22break.html.
3. 7
. Johnson S. C. Lint a C program checker. Unix Programmer's Manual 1978: see http://plan9.belllabs.com/7thEdMan/vol2/lint. 7. Johnson S. C. Lint a C program checker. Unix Programmer's Manual 1978: see http://plan9.belllabs.com/7thEdMan/vol2/lint.