Even an 'air gap' in the network can be hacked with a 'carbon based' exploit.
[or no system is 100% secure if it has any human interaction.]
Social engineering if by far the most effective form of hacking (look at HGBarry).
RvLeshrac said:
Then they'll continue to lose valuable corporate data, lose consumer confidence, lose customers, and lose money.
It is not that these companies lack the expertese, they lack the motivation to prioritise data security any higher.
Cars would not be as safe as they are today without the cost associated with cleaning up after a traffic accident.
Data security will not improve until there is a clear loss, visible to even upper management.