There are many countries which do not have clear record of providing the security cover to its guests. There may be some or the other reasons for political situation in these companies. You must not travel alone. You can bring one of your friends so that you are covered. Recently a tourist in Puerto Rico  was robbed inside the Ritz hotel. It is not the only case when someone was robbed. Asian countries have dismal outlook and results are not very good and encouraging. You must avoid the local contacts and must maintain the respectable distance from each other. In any case, you need to keep passport and other documents with you. You must guard your belongings well because many people loose the money because of these and other issues. You can buy the country guides from many stores and you will be able to read the information which would prove its worth in due course of time as you keep on moving to many destinations all over the world.