There is a tendency to think of women as weaker and somehow more vulnerable to being victimized than men. There is also a tendency to think the world is a dangerous place and this tendency can border on delusional and even paranoid; fueled by too much TV, movies and news programs. Actually, crimes could occur in your own backyard. But hopefully that possibility, as remote as it might be, will not stop you from venturing into your own yard.
Fact is, many experienced female backpackers travel alone and testify that it is safe to do so if you are smart and that it can be a very enjoyable experience full of fascinating and exciting adventure.