When you are using your employer's computing equipment on your employer's premises, you have limited right to privacy.

In a typical deployment of MitM tech (e.g. Bluecoat, Websense, etc.), things like personal banking, health care sites, etc., are exempted from the interception policy to avoid personal privacy issues and HR headaches. This can be overridden in the local policy of course, but I've rarely seen that in practice (anecdote isn't fact, blah, blah).

Be aware that the site you're going to may be MitM'ing sessions to meet other compliance regulations (e.g. SOX in the financial sector).

> In a typical deployment of MitM tech (e.g. Bluecoat, Websense, etc.), things like personal banking, health care sites, etc., are exempted from the interception policy to avoid personal privacy issues and HR headaches.

How does it know? Does it have a list of all "personal banking, healthcare sites, etc" from the whole world? How is that list kept up-to-date? What happens if the site the employee is accessing is missing from the list? What happens if the employee knows these sites aren't monitored and finds a way to use them to bypass the monitoring?

> Be aware that the site you're going to may be MitM'ing sessions to meet other compliance regulations (e.g. SOX in the financial sector).

If it's the site itself, is it really a MITM? And even if they technically use a MITM, does it really matter, since the site would have access to the plaintext anyways?