1. Vulnerability Assessment Sequoia Voting Systems October 10, 2006

2. Vulnerability Assessment Introduction Assessment Overview Findings and Recommendations

3. Items Reviewed Security Practices of Sequoia System Architecture Touch Screens (DRE) Optical Scanners Vote Count Software Physical Security Election Processes

4. Physical Security

11. Security of the Voting System Components WinEDS 400C High Speed Scanners Edge Touch Screen (DRE) HAAT and Voter Access Cards Insight Optical Scanners

12. Findings and Recommendations Majority of Vulnerabilities Already Mitigated Harden Systems Checksum WinEDS Encrypt Network Traffic Harden Network Intrusion Detection

13. Summary  Sequoia Voting System – Certified by State and Federal Government  Relatively low risk vulnerabilities remedied by  Network Security  Human Process Countermeasures  No practical, realizable vulnerabilities were uncovered that could not be eliminated