I'm not an IT expert...but i am skeptic about the irregularities of the comelec and smartmatic before the election...one such irregularity was the reconfiguring of CF cards a day before the election...
Die Bold voting machines similar to Smartmatics' was proven of security holes...India's electronic election 2009 has been scrutinized for fraud...so as Chile, Venezuela, US 2004...
see this video how easy it is to fraud an election with just a memory card:
YouTube - Votes Can Be Changed Using Only A Memory Card.mp4