How to Contact Us

Penetration Testing, Web Penetration Tests, Vulnerability Assessments & Training


Cardinal Data Systems, Inc.

Greg Sullivan

Phone:212-328-1160

Email: Greg Sullivan

Job Seekers and Cyber Security Consultants


Cardinal Data Systems, Inc.

Ronnie Solomon

Phone:302-251-8063 x702

Email: Ronnie Sullivan




Job Seekers and Security Consultants: you can provide or update your contact information and status here and learn about our referral program

Provide preliminary information online here and you will be contacted shortly.

Cardinal Data Systems, Inc.

New York, NY

 212-328-1160

 718-605-8857