Enron, the energy firm that was America's most infamous corporate-fraud case, paid cash tax of only 38% of its theoretical charge in the five years before its demise.

Technology professionals are getting cold feet about moving more operations onto the cloud when poor corporate security practices are exposing customers to devastating identity theft and fraud.

Of these, fraud has shown a particularly sharp rise (see chart): 43% of all corporate victims of crime and 56% of those in financial services reported an increase.