I have been working in information security for 30 years.  I am currently a professor at Purdue University (that is for identification purposes only -- Purdue has no position on this issue), and have received numerous awards for my work in cyber security.

I fully support the statement by Virginia Verified Voting.  DRE systems -- and the WinVote system in particular -- are not secure, and they can be hacked into without trace.  To have elections we can trust it is necessary to have unalterable and auditable voting.  Optical scan systems where the paper is kept for manual recount is currently the only widely-available conmputer-based system that does this.  The WinVote system should be decertified and replaced with Optical Scan (or paper ballot).