How to check an Executive's notebook

Hi

I have a client who is a very high powered Executive and he asked me to check 
his notebook regarding security etc.
Actually this would be any easy task but he is not willing to hand over his 
notebook to me and I am not allowed to retrieve any data from it.

Well how can you assess such a notebook and also the person's behaviour 
regarding security (e.g. reading his private email via smtp and the like)?

The only idea I found so far is to re-direct the notebook's Internet traffic 
through a proxy and then I can examine this traffic and give him some advice.

Any other ideas are very welcomed.

--
Regards,
Mike


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