Financial software technology development, promoted an enterprise effectively "integrated management", but also led to new safety problems. Financial software data security is a people pay much attention to the problem, in order to ensure the financial software of data security, many countries and enterprises not hesitate investment is huge endowment, to computer hardware and software research and development, in order to ensure the safety of computer data information. In computerized accounting work, accounting data security is a very important issue, it directly influences the success or failure of computerized accounting work, by the vast number of financial software users close concern.