Varna is in general a fairly safe place, though special caution should be taken in regards to the mafia. There have been several cases of tourists being assaulted by the mafia for improper behavior, such as the brutal beating of an Icelandic teenage girl in the summer of 2007. Try not to give anyone who might be driving a black sports car, wearing a suit with glasses a bad eye. Common sense, courtesy and respect is always the best thing you can pursue.
Stay away from people offering money change on the street they are all cheaters. They usually are located in the area of the Cathedralkozirkata and also it's a typical place for pickpocketers so be careful.
If you are driving a car be careful where you stop because if you violate the parking restrictions, your car may be removed by the authorities and you will need to pay a penalty fee, not to mention losing a lot of time.
