It's really not the NSA or GCHQ that most companies are concerned about, at least in this regard. They're concerned that confidential information will be become

It's really not the NSA or GCHQ that most companies are concerned about, at least in this regard. They're concerned that confidential information will be become available to competitors, the public etc. Companies are generally much more afraid of Anonymous and Lulzsec than the NSA. The concern with the NSA, if they have one, is usually the perception that customer/client information that they hold internally being abused.