It's good be an IT auditor: transferrable skills
This is a fascinating little article: an analysis of over 500 job postings, showing which accounting programs are in demand. Thanks to Bill for the link.
The popular 'large programs' are SAP, the various Oracle apps like JD Edwards and Peoplesoft, as well as the Microsoft Dynamics / "Great Plains" system. On the small side, QuickBooks dominates.
Where do IT auditors fit into this?
If you have enough experience and exposure, you will likely be exposed to almost all the applications cited above, with the likely exception of QuickBooks, since the audits of small clients often won't include the services of an IT auditor.
As a result, a CA who works in this field will not only be able to demonstrate knowledge of various business processes, but they'll also be able to demonstrate the nimbleness and adaptability that is so in demand these days.
It typically isn't difficult to get students interested in applying to transferring to this field. This just made it even easier to make the argument.