...the best approach is to continue and fix the flaws as they are found.
You mean *after* they've been known about for years by blackhats - or far more likely and terrifying - the TLAs.
"The rat has no voluntary control of its limbs, but the severed spinal cord can be reactivated and stimulated to perform natural walking. We can control in real-time how the rat moves forward and how high it lifts its legs."
This also accidentally describes the nearly-attained goals of the US state security organs (with assists from the POTUS and the Supremes).
Prime Minister David Cameron said in a speech outside 10 Downing Street on Friday morning. "It would have broken my heart to see our United Kingdom come to an end."
A heart, he no doubt had stolen from a Welsh, Irish, or Scottish street urchin.
9/11 came and went and they didn't learn a thing. Incompetent as ever.
Far more pointedly: the Boston Marathon came and went. So either they let it happen to gain even more power [adjusts tinfoil hat], or all the 'post 9/11' security is total, absolute bullshit, with everything to do with career advancement then an early retirement to a payment in kind consulting gig, and nothing at all to do with the Fath^H^H^H^H Homeland.
The main difference is it is cheaper because it can be produced from massively subsidized, aquifer-draining corn.
Plus, corn is used extensively as feed for cattle. But since they really can't digest it for long without getting sick, Big Beef lays on the antibiotics.
Subsidized Corn: making people fat, draining aquifers, and creating superbugs - what can't it do?
So why are so many terrorists engineers?
Because analytical minds can wall-off moral issues and cast murderous tasks as merely problems to be solved, up to and including nuclear weapons and genocide. Oppenhiemer wept and whined about what he was part of, but only after solving the problem.
In the sciences, we are now uniquely priviledged to sit side by side with the giants on whose shoulders we stand. -- Gerald Holton