Study on an approach for ranking the critical information assets

Aiming at scientifically determining the problem ldquowhat are the critical information assets requiring protectionrdquo, the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) with interval is introduced. The critical information assets are ranked according to importance using multi-criteria decision method. This approach provides the basis for evaluating information risk and making security strategies. At the last, an empirical study is described.