a panel of i.t. experts testifying before the house committee on science, space and technology cited numerous security flaws within the website. they have attributed the risks to the site's complexity -- 500 million lines of code and a rushed rollout that failed to properly test the website. >> by looking at the website, we can see there are fundamental security principles not followed. these are things that could compromise sensitive issue for people that register for the website and the site itself and everything around it. >> reporter: when asked if they would advise any american to use the website with existing flaws all four experts said no. it was a sentiment echoed elsewhere on capitol hill yesterday. >> it is just one more reason why this health care law needs to be scrapped now. >> how can the public trust a hastily thrown-together system in which meeting a deadline was more important for the administration than conducting complete, end-to-end testing? >> reporter: an obama administration official admitted that seven weeks after the launch of the new federal health insurance marketplace, 30 to 40% of the electronics system has not been built or even tested. still president obama sounds optimistic, speaking at this year's "wall street journal" ceo