| Title | Source |
| Firewalls FAQ |
Revision 8, (1996); Ranum, M.J. |
| Inside the Mind of Dark Avenger (abridged) |
(1993); Gordon, S. |
| IT Baseline Protection Manual: Recommended Measures to Meet Medium-Level Protection Requirements |
(BSI, 1997); Bundesamt für Sicherheit in der Informationstechnik, German federal government |
| RFC 2196: Site Security Handbook |
(1997); Fraser, B., ed. |
| RFC 2350: Expectations for Computer Security Incident Response |
(1998); Brownlee, N. and Guttman, E. |
| RSA Laboratories's Frequently Asked Questions About Today's Cryptography |
RSA, 1999 |
| State of the Practice of Intrusion Detection Technologies |
(CERT-CC, 2000); Allen, J., Christie A., Fithen, W., McHugh, J., Pickel, J., Stoner, E. |
| Technologically Enabled Crime: Shifting Paradigms for the Year 2000 |
(1994); Gordon, S. |
| Virus Writers: The End of Innocence |
(2000); Gordon, S. |