Companies
| Security Companies, Software Providers, Information providers | |
| @stake web security (incl. L0pht) | |
| ADDSecure (auditing) | |
| Blackhat | |
| Counterpane (MSM) | |
| Fred Cohen & Associates | FreeBSD |
| Guidance Software (forensics) | |
| Interhack | Internet Security Systems (ISS) |
| ISS (BlackIce) | |
| IT Toolbox: security | |
| Linux Security | |
| Mitre Corporation | |
| Microsoft | |
|
Neohapsis |
NFR Security |
| Net Services | |
| OpenBSD | |
| ParaProtect (disaster recovery example) | |
| Sam Spade | |
| Science Applications International Corporation (SAIC) | Search Security |
| Secure Computing (Sidewinder) | Security Focus |
| Security Watch (portal) | |
| SRI Computer Science Laboratory | |
| SRI CSL Risks Forum | Stanford Research Institute |
| Texas Instruments | |
| VeriSign Inc. | |
| Windows Security | |
| Ziff Davis ZDnet | |