Chris Sullo is the CFO and Treasurer of Open Security Foundation. He is a distinguished security expert known as the author of Nikto scanner. He is specialised in web-security and pen-testing.

OSVDB

He is acting as a Moderator and Vulnerability Manger of OSVDB

OSVDB

Open Source Vulnerability Database is an independent and open source database created by and for the community. The goal of the project is to provide accurate, detailed, current, and unbiased technical information on security vulnerabilities...

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He has been a mentor of Google Summer Code since OSVDB was accepted as a mentor organization for Google's Summer of Code 2006 and 2007. He currently handles and approves all new vulnerabilities that are added to the database as well as manages the web checks. In addition, Chris is co-founder and Treasurer of the Open Security Foundation.

Nikto

Chris Sullo is the author of Nikto

Nikto Web Scanner

Nikto Web Scanner is a Web server scanner that tests Web servers for dangerous files/CGIs, outdated server software and other problems. It performs generic and server type specific checks. It also captures and prints any cookies received....

, the leading open source web security assessment tool. It is an open source web server scanner. Nikto is known to perform comprehensive tests against web servers for multiple items, including over thousands of potentially dangerous files or CGI

Common Gateway Interface

The Common Gateway Interface is a standard method for web servers software to delegate the generation of web pages to executable files...

 scripts, etc. Nikto was voted the #16 top security tool in 2003, and #12 in 2006 in Fyodor's Top Security Tools Survey.

Security Advisories

He has long been involved with the world of electronic crime and security. He has also published a few security advisories. One of his noteworthy advisories was an advisory on Verity Ultraseek, a search engine used by dozens of government agencies and universities.