Research on Internet Enterprise Information Security Investment Strategy Considering Protection Level

The continuous progress of information technology has not only promoted the development of business, but also brought serious information security problems. This paper considers the information security rank protection system, establishes two information security investment models, and discusses the investment strategies of independent and shared Internet enterprises in the face of targeted attacks and indiscriminate attacks by hackers. This paper finds that whether it is an independent enterprise or a joint enterprise, there is a potential loss threshold when making investment. At the same time, safety investment does not always increase with investment efficiency, and when investment efficiency reaches a certain level, it will inhibit the growth of investment. When discussing the investment strategies of joint ventures under different protection levels, it is found that the investment of large enterprises is not always higher than that of small enterprises. Finally, based on the research content of this paper, the future research direction of information security investment is discussed.