But, It is limited to use anomaly detection and misuse detection in practice. 但是在實際中的應用仍然局限於異常檢測和誤用檢測。
Current misuse detection systems are of little use for new attacks and they cannot automatically update their rule databases. 摘要無法檢測到未知攻擊以及不能自動更新知識庫是現有誤用檢測系統的兩大缺點。