There are also a couple more internet cafes on the main street of old city.
There is a tourism information office Turizm İrtibat Bürosu on the main square of old city, run by students of a local high school. They also offer free internet.
The safety situation has been vastly improved since 90's, and Mardin, as well as the surrounding area, seems to be a very safe place with an overly heavy presence of policemen in old city.