A French resort on its own scale is quite small, in terms of safety Vichy is considered a very calm and peaceful city. Very friendly and helpful people live in it, so even on the outskirts of Vichy dangerous areas will be quite hard to find.
World celebrities and wealthy people of our planet have not accidentally chosen Vichy as a place where you can relax from the usual hustle and bustle, enjoy the natural beauty and calm measured pace of life.